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diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,1341 +1,1346 @@
+2015-08-28 Peter Richardson <Peter.Richardson@durham.ac.uk>
+
+ * Catch LowStatsError when writing multiple histograms so only the
+ histogram with the problem is not written
+
2015-08-28 Andy Buckley <andy.buckley@cern.ch>
* Version 1.5.0 release.
2015-08-24 Andy Buckley <andy.buckley@cern.ch>
* Improve protection of efficiency calculation against the weird
world of general weighted events.
2015-08-17 Andy Buckley <andy.buckley@cern.ch>
* Add some protection against calling matplotlib's legend() method
if there are no valid labels to display, to suppress an MPL
warning message when using yoda.plot().
2015-08-12 Andy Buckley <andy.buckley@cern.ch>
* Fix cut & paste typo, and add LowStatsError catching in Profile division.
2015-08-11 Andy Buckley <andy.buckley@cern.ch>
* Replace old Spirit-based ReaderYODA with the new hand-rolled one.
* Adding filling of Histo1D, Profile1D, Histo2D and Profile2D in
new ReaderYODA. More hacking of Axis and Histo/Profile
interfaces... needs clean-up, and infinite binning implementation.
2015-08-07 Andy Buckley <andy.buckley@cern.ch>
* Convert the ReaderFLAT parser to also use a simple hand-written parser rather than Spirit.
2015-08-04 Andy Buckley <andy.buckley@cern.ch>
* Add methods for Counter, Axis and Histo1D internal state
access/setting, mainly for new persistency. NEEDS PRE-RELEASE TESTING!!!
2015-07-30 Andy Buckley <andy.buckley@cern.ch>
* Remove # markers from YODA format BEGIN/END output. The parser
will continue to accept them.
2015-07-29 Andy Buckley <andy.buckley@cern.ch>
* Add SFINAE trait magic to restrict write(RANGE) functions to
accepting iterables. Also generalising to allow either
container-of-objects or container-of-pointers args by providing a
writeBody(AO*) function to complement writeBody(AO&). Based on a
patch from Lukas Heinrich.
* Add configuration of output streams to throw exceptions on
bad/fail state (based on patch from Lukas Heinrich).
2015-07-01 Andy Buckley <andy.buckley@cern.ch>
* 1.4.0 release.
2015-06-30 Andy Buckley <andy.buckley@cern.ch>
* More tweaks to yodamerge: adding control of S2D merging
strategy, and now performing weighted normalized histo merges
without reference to an absolute normalization.
* Change yodamerge norm-detection heuristic to just look for a
ScaledBy attribute rather than fuzzily compare norms.
2015-06-26 Andy Buckley <andy.buckley@cern.ch>
* Removing add, subtract, and divide functions and operators on
Scatter types, and re-implementing Histo and Profile divide
functions explicitly rather than via mkScatter. Also removed from
the Python interface. The combine() methods remain.
2015-06-24 Andy Buckley <andy.buckley@cern.ch>
* Adding workaround versions of binAt to all the Python histo
types (for some reason the direct mapping that works for bin(i)
produces a compile error for binAt(x) :-/
2015-06-23 Andy Buckley <andy.buckley@cern.ch>
* Renaming, tidying, completing, etc. the Python-mapped methods on Bin1D and Bin2D.
* Rename Python Histo2D mean, variance, etc. pair-returning
methods to xyMean, xyVariance, etc., to distinguish from Profile2D
mean, variance, etc.
* Add Python mappings of all the methods below.
* Add full set of {x,y}{Mean,Variance,StdDev,StdErr,RMS} to 1D and
2D binned distributions.
* Add optional includeoverflows=True argument to all binned AO
numEntries and effNumEntries.
* Fix type of numEntries to always be unsigned long.
2015-06-18 Andy Buckley <andy.buckley@cern.ch>
* Fix typos in Point3D Python mapping (accidentally trying to get
the ptr via _Point2D rather than _Point3D).
2015-06-13 Andy Buckley <andy.buckley@cern.ch>
* Adding an AnalysisObject::name() method, to return the last part
of the path. Mapped into a Python property.
* Adding an optional usestddev argument to mkScatter for profile
types, so the error bars can represent distribution width rather
than uncertainty on the mean. Mapped to Python.
2015-06-08 Andy Buckley <andy.buckley@cern.ch>
* Adding unpatterns arguments to Python read functions, and
auto-conversion from single strings and re.compile()d strs.
2015-06-04 Andy Buckley <andy.buckley@cern.ch>
* Add binAt(x,y) and binIndexAt(iglobal) Python methods for 2D
histos. Still want a way to get and pass a pair of bin indices, I
think.
* Adding includeoverflows optional args for Histo1D (eff)numEntries.
* Adding Rename Histo1D integral() methods as integral(),
integralRange(), and integralTo(), and mapping to Python.
2015-06-02 Andy Buckley <andy.buckley@cern.ch>
* Adding missing binAt and binIndexAt methods to Histo1D and
Profile1D, plus other minor Python mapping tweaks.
* Add a regex pattern match optional argument to the IO.read()
Python functions, for pre-emptive filtering.
2015-03-27 Andy Buckley <andy.buckley@cern.ch>
* Fix a harmless possibility to raise an FPE exception in the
BinSearcher. Thanks to Leif Lonnblad for the discovery, debug and
patch!
2015-03-19 Andy Buckley <andy.buckley@cern.ch>
* Bump version for 1.3.1 release.
2015-03-06 Andy Buckley <andy.buckley@cern.ch>
* Adding usefocus optional argument to some mkScatter functions, plus the Python bindings.
* Cleaning up some Python mappings of 2D histogram bin classes.
* Removing mappings of bin-level fill and scale operations in Python.
* Fix formatting and error handling in Python Bin and Dbn __repr__ methods.
* Add a -i/--in-place option pair on yodascale.
2015-02-05 Andy Buckley <andy.buckley@cern.ch>
* Convert script matching options to use re search rather than match.
* Adding matching options and verbose option to yodals.
2015-01-27 Andy Buckley <andy.buckley@cern.ch>
* Improvements and additions to ROOTCnv.h routines, particularly
to TProfile creation: thanks to Roman Lysak for advice.
2015-01-16 Andy Buckley <andy.buckley@cern.ch>
* Add convenience YODA/YODA.h header.
2015-01-15 Andy Buckley <andy.buckley@cern.ch>
* yodascale now uses PointMatcher and can normalize or multiply to
abs values or ref histos/bin ranges.
2015-01-05 Andy Buckley <andy.buckley@cern.ch>
* Adding yoda.matcher Python sub-package with PointMatcher
functionality. To be used in Professor 2.0 and in yodascale.
* Adding 'scat2' type to yodahist.
* Add match/unmatch args to all conversion scripts, via a new Python yoda.script_helpers function.
* Script updates, improved docstrings, and improved tab completion.
2014-12-10 Andy Buckley <andy.buckley@cern.ch>
* Add a yoda.plotting sub-module, based on matplotlib.
2014-12-03 Andy Buckley <andy.buckley@cern.ch>
* Small build improvements: cleaning test1.root from the yoda2root
test, and adding a make target & flag file for mktemplates in
pyext/yoda to make sure that it only gets run once.
2014-11-25 Andy Buckley <andy.buckley@cern.ch>
* Handle overflow filling in binned types without invoking an exception.
* Change inRange to have non-fuzzy comparison behaviour.
2014-11-11 Andy Buckley <andy.buckley@cern.ch>
* Improving/adding __div__ functions in Python for all binned types.
* Add std:: prefix to isinf() calls in BinSearcher.h.
2014-09-30 Andy Buckley <andy.buckley@cern.ch>
* 1.3.0 release!
* Use numEntries() rather than effNumEntries() when checking
consistency of inputs to efficiency() calculations -- the
effNumEntries of a set can be smaller than that of a strict
subset, surprisingly!
2014-09-17 Andy Buckley <andy.buckley@cern.ch>
* Small improvements to yodahist and yodaplot behaviours/UIs.
* Adding setX/Y/Z(val, err) methods to Point3D.
* Add an efficiency method for 2D histos.
* Hide fill and fillBin methods from Python mappings of bin types.
2014-09-01 Andy Buckley <andy.buckley@cern.ch>
* YODA 1.2.1 release!
2014-08-29 Andy Buckley <andy.buckley@cern.ch>
* Hide non-const access to bin objects from histogram users:
avoids potential for inconsistency between total dbns and in-range
bins.
* Bug in BinSearcher fixed by Peter Richardson: constructor
arguments were passed in the wrong order when constructing a
LinEstimator in cases where log binning wouldn't be allowed.
2014-08-26 Andy Buckley <andy.buckley@cern.ch>
* Add protection against / characters in histo names in yoda2root
(thanks to Will Bell for the report and suggested patch).
2014-08-17 Andy Buckley <andy.buckley@cern.ch>
* Add +=, -=, *-, /=, ++ and -- operators to Counter, along with
an (implicit) constructor from a double -- all for user
convenience so Counter can be used in lieu of a simple number.
2014-08-15 Andy Buckley <andy.buckley@cern.ch>
* YODA 1.2.0 release!
* Permit +-inf values to be filled into histograms; NaN fills will
still explicitly throw an exception.
* Add unit tests for Counter, Scatter1D, and Scatter2D, including
persistency.
* Adding YODA and FLAT format I/O for Scatter1D and Counter (as
far as currently possible -- FLAT Counter can't be read due to a
#item ambiguity, just like the one between the YODA format Point3D
and ProfileBin1D). To be continued...
2014-08-14 Andy Buckley <andy.buckley@cern.ch>
* Python mappings for Dbn0D and Counter, and other improvements.
* Adding val() and err() methods to Counter, and errW() and
relErrW() to all DbnXD types.
* Adding Scatter1D and Point1D types, with conversion from Counter
supported. Both Counter and Scatter1D still need to be supported
by YODA persistency.
2014-08-11 Andy Buckley <andy.buckley@cern.ch>
* Add ROOT version checking to configure. Thanks to Michael Grosse
for the report/request.
2014-08-05 Andy Buckley <andy.buckley@cern.ch>
* Remove all methods not specific about the axis to which they
refer, e.g. Histo1D::mean -> xMean. Also remove all related
aliases (a nightmare to maintain) and low/highEdge and midpoint
functions: use the proper xMin/Max/Mid from now on. This is a
significant compatibility breaking API change (and the decision
was not taken lightly) so will require a 2nd digit version change.
* Lots of adding xMin/Max etc. functions to C++ and Python bin/histo classes.
* Compiler pickiness fixes in BinSearcher.
* Improvement to linspace, avoiding fuzzyEquals and again making
sure that the end value is exact.
2014-07-23 Andy Buckley <andy.buckley@cern.ch>
* Fix to logspace: make sure that start and end values are exact,
not the result of exp(log(x)).
* Clean-up, minor improvements, and adding a test for BinSearcher and friends.
2014-07-19 Andy Buckley <andy.buckley@cern.ch>
* Various consistency improvements and minor bugfixes to Python
mapping utils and Dbn and Bin objects.
* Fix Axis2D::reset, which was resetting the total dbn and
outflows, but not the bins!!! Thanks to Ewen Gillies for the
report.
2014-07-18 Andy Buckley <andy.buckley@cern.ch>
* Add scaleX,Y,Z and scaleXYZ to Point and Scatter classes, and
deprecate less explicit/consistent Scatter2D/3D.scale method.
2014-07-17 Andy Buckley <andy.buckley@cern.ch>
* yodascale now writes out rescaled histograms and profiles rather than scatters.
* A few more improvements on Point2D/3D, adding x,y,zMin/Max function mappings.
* Add first version of a yodascale script, based on code from Simone Amoroso.
2014-07-16 Andy Buckley <andy.buckley@cern.ch>
* More Scatter and 2D histo interface improvement.
* Remove 'return *this' from Scatter2D/3D add and combine methods.
* Add unit test checks for 1D and 2D mkScatter functions.
* Improve Scatter2D/3D C++ and Python interfaces.
* Add Scatter3D Python mapping.
2014-07-15 Andy Buckley <andy.buckley@cern.ch>
* Add auto-parsing of yes/no/on/off/true/false as bools in the
Python ao.annotation() function.
* Add parsing of yodaplot styles from command line args and
analysis object annotations.
2014-07-12 Andy Buckley <andy.buckley@cern.ch>
* Fix infinite recursions in Python wrappers for Point2D and
Point3D, and make the Python Point3D interface more standard.
* Add yodaplot script for basic plotting, using pgfplots as a backend.
2014-07-10 Andy Buckley <andy.buckley@cern.ch>
* Add mkScatter(Scatter2D) and mkScatter(Scatter3D) functions and
Python mappings: this allows all AOs to be used as args to
mkScatter(...) without needing to check if they already are
scatters.
2014-07-02 Andy Buckley <andy.buckley@cern.ch>
* Set y value and/or error to 0 in mkScatter(Histo1D) if an
exception is thrown when calculating the appropriate values. Need
an optional param to control this error handling behaviour between
set-zero and skip-bin?
2014-07-01 Andy Buckley <andy.buckley@cern.ch>
* Add exception translation to the mkScatter functions.
* Add -m/-M match/unmatch options to yodacnv -- useful for
filtering histogram file contents in a YODA->YODA conversion.
2014-06-24 Andy Buckley <andy.buckley@cern.ch>
* Don't complain about merge assumptions if there is only one
object with that path name to be 'merged'
2014-06-17 Andy Buckley <andy.buckley@cern.ch>
* Adding explicit int cast in Python wrapping of numEntries functions.
2014-06-13 Andy Buckley <andy.buckley@cern.ch>
* Adding yodals script to list data file contents.
2014-06-11 David Grellscheid <David.Grellscheid@durham.ac.uk>
* pyext/yoda/Makefile.am: 'make distcheck' and out-of-source
builds should work now.
2014-06-10 Andy Buckley <andy.buckley@cern.ch>
* Fix use of the install command for bash completion installation on Macs.
2014-06-06 Andy Buckley <andy.buckley@cern.ch>
* YODA 1.1.0 release. Middle version number change to reflect API changes w.r.t 1.0.6.
* Adding unit tests against ref data for yodamerge in make check.
2014-06-04 Andy Buckley <andy.buckley@cern.ch>
* Fix silly typos in yodamerge which somehow made it past "make check" testing :-(
2014-06-02 Andy Buckley <andy.buckley@cern.ch>
* YODA 1.0.7 release. DO NOT USE: prefer 1.1.0, above.
2014-05-30 Andy Buckley <andy.buckley@cern.ch>
* Removing 'foreach' macro definition and using raw BOOST_FOREACH instead until C++11 is allowed.
* Adding pytest-p1d and pytest-p2d tests, and FLAT writing/reading in pytests.
* Tweaking WriterFLAT and adding ReaderFLAT functionality for 2D histos and profiles.
2014-05-30 Holger Schulz <hschulz@physik.hu-berlin.de>
* Some basic (FLAT) write-out capability for 2D histos
2014-05-29 Andy Buckley <andy.buckley@cern.ch>
* Improvements to the yodahist script, including support for 2D
histograms and input files.
* Adding bin edges constructors for all 1D and 2D histos in Python.
2014-05-22 Andy Buckley <andy.buckley@cern.ch>
* Improvements to Profile2D and Point2D interfaces in Python.
* Add a single-file at a time yodacnv multi-format converter
script (thanks to Andrii Verbytskyi for the suggestion).
2014-05-19 Andy Buckley <andy.buckley@cern.ch>
* Typo fixes in Profile2D YODA-format parsing: 2D histo tests now pass!
* Adding Python tests for Histo2D and Profile2D.
* Adding a YODA/Predicates.h header and using it in Axis2D bin edge construction.
* Enabling Profile2D writing in various Writers, and a bit of IO code tidying.
2014-05-17 Andy Buckley <andy.buckley@cern.ch>
* Disable writing out of Histo2D and Profile2D outflows for now,
while they are redesigned, and get 2D I/O working for the in-range
part.
2014-05-14 Andy Buckley <andy.buckley@cern.ch>
* Mapping the divide and efficiency functions into the Python
interface as class methods, including the __div__ special
function.
2014-05-13 Andy Buckley <andy.buckley@cern.ch>
* Add the AnalysisObject::type() method back in Python (even
though type(ao) is more Pythonic, this may be useful)
2014-05-06 Andy Buckley <andy.buckley@cern.ch>
* Add Profile2D YODA format writing, note need for Scatter format
change, add sumXY storage to both 2D histo types.
2014-05-03 Andy Buckley <andy.buckley@cern.ch>
* Adding YODA reader functionality for Histo2D and Profile2D, but
without outflows support yet.
2014-04-25 Andy Buckley <andy.buckley@cern.ch>
* Adding simple command line yodahist script for quick 1D
histogramming from plain text files, with weight support. More
development to come!
* Mapping linspace, logspace and a few stat functions into Python.
2014-04-24 Andy Buckley <andy.buckley@cern.ch>
* Fixes, script installation, and detailed numerical comparisons
in yodadiff.
2014-04-17 Andy Buckley <andy.buckley@cern.ch>
* Change AnalysisObject::annotations to return the list of
annotation keys rather than the map, since the previous behaviour
mapped very badly into Python.
2014-04-16 Andy Buckley <andy.buckley@cern.ch>
* Add special case handling for 2-arg use of x2y scripts where the
second arg is -, for stdin. This will be treated as writing out to
stdout, not converting two files one of which is stdin.
2014-04-15 Andy Buckley <andy.buckley@cern.ch>
* Adding a more portable version of getline to be used in the YODA
file parsing to avoid falling over on DOS-produced input files.
2014-04-14 Andy Buckley <andy.buckley@cern.ch>
* Adding the namespace protection workaround for Boost described
at http://www.boost.org/doc/libs/1_55_0/doc/html/foreach.html
2014-04-13 Andy Buckley <andy.buckley@cern.ch>
* Adding an assumed-equal-run-size, ratio-like merging heuristic
for Scatter2Ds to yodamerge, and renaming the --normalize-all flag
to --assume-normalized.
* Adding and installing a pkg-config data file for YODA.
* Rationalising (and fixing?) the yodamerge logic re. user &
normalization scalings, and making way for a Scatter2D merging
heuristic.
2014-03-10 Andy Buckley <andy.buckley@cern.ch>
* YODA 1.0.6 release.
2014-03-06 Andy Buckley <andy.buckley@cern.ch>
* Improvements to AnalysisObject annotation handling in Python.
* Adding rescaling arguments to yodamerge (and scale function to Python Scatter2D).
* Better documentation and consistency of Histo and Profile Python
wrappers, and removing some inappropriate attributes.
* Adding clone() and newclone() functions to all analysis object classes.
2014-02-28 Andy Buckley <andy.buckley@cern.ch>
* Cython mapping improvements, esp. adding numPoints/numBins
functions and better Scatter2D __repr__.
* Adding mapping of the mkScatter functions into Python (as
methods on Histo1D and Profile1D rather than the original free
functions, at least for now: some Python type-identifying
boilerplate is needed to make a single mkScatter function work in
Python)
2014-02-27 Leif Lönnblad <Leif.Lonnblad@thep.lu.se>
* Minor modifications to BinSearcher to avoid NaN's. The NaN's
were treated correctly before, but better to avoid them all
together.
2014-02-27 Andy Buckley <andy.buckley@cern.ch>
* Adding the generated pyext/yoda/rootcompat.cpp to the tarball
and sorting out the ROOT/Cython interface conditionals a bit more
sanely. Thanks to Oldrich Kepka for the bug report.
* Protecting yodamerge against input histograms with zero
integrals (thanks to Christian Bierlich for the bug report).
2014-02-14 Frank Siegert <frank.siegert@cern.ch>
* Fix race condition with mktemplates.
2014-02-12 David Grellscheid <david.grellscheid@dur.ac.uk>
* Fix bug in mktemplates code (thanks to Christian Johnson for the bug report).
2014-02-09 Andy Buckley <andy.buckley@cern.ch>
* Adding explicit include/generated dir creation to Python
extension build (thanks to Christian Johnson for the bug report).
2014-02-06 Andy Buckley <andy.buckley@cern.ch>
* 1.0.5 release!
2014-02-05 Andy Buckley <andy.buckley@cern.ch>
* Adding patches to ReaderFLAT and ReaderYODA use of Boost Spirit
which reduce the Boost version requirement from 1.47 ->
1.41. Thanks to Andrii Verbytskyi for the patch.
* Protect against invalid prefix value if the --prefix configure option is unused.
2014-02-04 Andy Buckley <andy.buckley@cern.ch>
* Adding copy assignment operators where missing, based on an
implementation in AnalysisObject which only copies rvalue paths
and titles if they are non-null.
2014-02-03 Andy Buckley <andy.buckley@cern.ch>
* Improving (i.e. increasing) bin edge overlap tolerance: 1e-10 relative was too tight.
2014-01-31 Andy Buckley <andy.buckley@cern.ch>
* Adding x/yMid etc. methods on Bin1D and 2D, and more related Python API improvements.
2014-01-28 Andy Buckley <andy.buckley@cern.ch>
* Adding missing fillBin methods to 1D and 2D Histo/Profile Python classes.
* Fixed yodamerge default output file name treatment.
* Avoid computing an unrecoverable error in Histo1D.__repr__
* Clean-ups and API improvements in Python IO functions.
* Adding more sumW,W2 and (eff)NumEntries attrs to Python objects.
2013-12-17 Andy Buckley <andy.buckley@cern.ch>
* Improved argument handling for x2y scripts.
2013-11-16 Andy Buckley <andy.buckley@cern.ch>
* Fix to build the Cython rootcompt extension .cpp on request.
2013-11-14 Andy Buckley <andy.buckley@cern.ch>
* Adding flags for the C++11 or C++0x standard if supported, cf. Rivet.
2013-10-24 Andy Buckley <andy.buckley@cern.ch>
* YODA 1.0.4 release.
* Supporting zsh completion via bash completion compatibility.
2013-10-21 Andy Buckley <andy.buckley@cern.ch>
* Removing unused internal iterator typedefs from Writer functions.
2013-10-18 Andy Buckley <andy.buckley@cern.ch>
* Adding a yodaenv.sh sourceable script to help with environment setup.
* Remove Scatters from being handled by yodamerge by blocking the
__add__ method fallback.
2013-10-09 Andy Buckley <andy.buckley@cern.ch>
* Improvements to yoda-config and command-line completion, for the
Rivet 2.0.0 release.
2013-10-09 Andy Buckley <andy.buckley@cern.ch>
* Version 1.0.3 release.
2013-10-04 Andy Buckley <andy.buckley@cern.ch>
* Cython mapping improvements.
* Adding some improved heuristics and a --normalize-all option to
yodamerge. Frank S is now happy again ;-)
2013-10-01 Andy Buckley <andy.buckley@cern.ch>
* Adding operator +, -, +=, -= Python mappings wherever possible
for Histo1/2D, Profile1/2D, and Scatter2D.
2013-09-26 Andy Buckley <andy.buckley@cern.ch>
* Cython is no longer needed by tarball users.
2013-09-25 Andy Buckley <andy.buckley@cern.ch>
* Unset path of returned histogram if those of the args to add()
and subtract() are difference.
2013-09-24 Andy Buckley <andy.buckley@cern.ch>
* Python mapping improvements.
2013-09-23 Andy Buckley <andy.buckley@cern.ch>
* Add the -avoid-version flag to libtool.
* Adding more add and subtract special methods in Python.
2013-09-22 Andy Buckley <andy.buckley@cern.ch>
* mkScatter schanged to use histo midpoints rather than focuses by
default for the point x value.
2013-08-14 Andy Buckley <andy.buckley@cern.ch>
* Version 1.0.2.
* Some exception message improvements and improving the protection
of cosmetic mean calculations in WriterYODA.
2013-07-12 Andy Buckley <andy.buckley@cern.ch>
* Adding ROOT detection in configure and otherwise updating Dave's
rootcompat module so that it'll compile. There might be an
inconvenient ROOT version dependency in the signature of one of
the PyROOT API functions that is used as a shim :-(
2013-06-17 Andy Buckley <andy.buckley@cern.ch>
* Adding yoda.m4 from James Robinson.
2013-06-06 Hendrik Hoeth <hendrik.hoeth@cern.ch>
* Improve "==" operator in Axis1D and Axis2D
2013-06-06 Andy Buckley <andy.buckley@cern.ch>
* Adding fillBin() methods to all 1D and 2D histos, and noting
that Bin types need a back-link to their axis to maintain
consistency.
* Release of version 1.0.1
2013-06-05 Andy Buckley <andy.buckley@cern.ch>
* Change the divide(Scatter, Scatter) behaviours to use the
midpoint of the num/denom bins rather than mean of foci for the
output point position (and hence errors, too).
* Adding a toIntegralEfficiencyHisto function.
* Adding another Histo1D::integral() function, this time from 0 ->
i, maybe including the underflow.
2013-06-04 Andy Buckley <andy.buckley@cern.ch>
* Updating the Cython version requirement to 0.18
2013-06-03 Andy Buckley <andy.buckley@cern.ch>
* Adding relErr functions to 1D and 2D histo and profile bins, and
being careful about div by zero.
* Improvements in error treatment in division (better handling of zeros).
* Renaming merge-histos to yodamerge and installing it (and
improving the usage string a bit).
2013-05-31 Andy Buckley <andy.buckley@cern.ch>
* Adding the Counter type, and ability to output it from the YODA writer.
* Adding numEntries and effNumEntries methods to 1D and 2D Histo
and Profile classes.
* Adding Dbn0D and using it to implement Dbn1D.
2013-05-30 Andy Buckley <andy.buckley@cern.ch>
* Fixing several nasty errors in argument ordering for
Point{1,2,3}D construction in Scatter addPoint functions.
* Adding abs(...) to the returned Dbn1D::variance(), to avoid
problems when negative weights produce negative variance. No, we
don't like this either: is there a more correct way?
* Fixing the efficiency(Histo1D, Histo1D) implementation,
cf. http://root.cern.ch/phpBB3/viewtopic.php?t=3753
* Adding mkScatter(Profile2D)
2013-05-29 Hendrik Hoeth <hendrik.hoeth@cern.ch>
* Adding a reader for FLAT files and a flat2yoda converter
2013-05-27 Andy Buckley <andy.buckley@cern.ch>
* Adding a yoda-completion file for bash.
2013-05-17 Andy Buckley <andy.buckley@cern.ch>
* Mapping HistoBin1D.relErr in Python.
* Adding a non-const points() accessor to Scatter2D.
2013-05-13 Andy Buckley <andy.buckley@cern.ch>
* Adding combined value+error setX/Y functions on Point2D.
* Adding HistoBin1D::relErr()
2013-04-23 Andy Buckley <andy.buckley@cern.ch>
* Adding Python output handling for single AOs and to be able to
use a "-" filename to mean stdout.
2013-04-12 Andy Buckley <andy.buckley@cern.ch>
* Releasing version 1.0.0 -- it seems stable enough.
2013-04-10 Andy Buckley <andy.buckley@cern.ch>
* Being more careful about adding -Wno-* flags to the C++ compiler
used to built the Cython extension lib.
2013-03-22 Andy Buckley <andy.buckley@cern.ch>
* Removing the use of svn:external to pull in Boost macros and
using a minimal local set instead.
* Using the nice Boost-finding macros from
https://github.com/tsuna/boost.m4 and tidying up configure.ac
2013-03-15 Andy Buckley <andy.buckley@cern.ch>
* Re-organising the C++ side of the auto-format I/O functions,
into a new IO header and separated from the Reader.h and
Writer.h. I'm tempted to say that users shouldn't really NEED to
ever directly touch the Reader and Writer objects...
* Adding auto-format read and write functions. I will probably
change the API. Python mappings have been provided, but the string
workarounds were too much of a pain with Cython 0.16 so I have
updated the Cython version requirement to 0.17 where it is
automatic and hence much cleaner.
2013-03-08 Andy Buckley <andy.buckley@cern.ch>
* Making the x2y converter scripts write a copy into the *current*
directory if only the input is specified.
2013-03-05 Andy Buckley <andy.buckley@cern.ch>
* Removing Plot entirely from YODA: it was an anomaly only added
to make plot file generation easy, but this is now done better via
StringIO (in new compare-histos/rivet-cmphistos).
* Removing the Plot from Cython... and soon from YODA itself:
we'll do this stuff manually and less hackily.
* Make Cython automatically add a copy of the original call
signature to each function's docstring.
2013-03-04 Andy Buckley <andy.buckley@cern.ch>
* Adding Plot mapping to Cython and improving the AO annotations handling in Python.
* Adding PLOT section writing to WriterFLAT (and WriterYODA,
although that might be a bad idea...)
* Adding aida2yoda and aida2flat converter scripts.
2013-02-02 David Mallows <dave.mallows@gmail.com>
* Adding support for Python >= 2.4 (was Python >= 2.6)
* Fixing miscellaneous warnings on GCC 4.1
2013-01-30 Andy Buckley <andy.buckley@cern.ch>
* Adding a points() method to the Python Scatter2D wrapper.
* Adding a virtual destructor to Bin.
2012-12-30 Andy Buckley <andy.buckley@cern.ch>
* Adding support for Boost.Range arguments and file format autodetection in Writer.
2012-11-24 Andy Buckley <andy.buckley@cern.ch>
* Bump version to 0.6beta0
* Adding more ROOT converters. Who knows how to make TProfiles
from scratch, but Histo1D and Scatter2D are covered, which should
be enough to get started with, at least.
2012-11-16 Andy Buckley <andy.buckley@cern.ch>
* Adding yoda-config
2012-11-16 Hendrik Hoeth <hendrik.hoeth@cern.ch>
* Adding WriterFLAT and yoda2flat
2012-11-16 Andy Buckley <andy.buckley@cern.ch>
* Adding YODA/ROOTCnv.h. for data object converter functions. Two
(untested) functions added for TH1 -> YODA.
* Adding toIntegralHisto(Histo1D&) function.
2012-11-15 Dave Mallows <dave.mallows@gmail.com>
* Commited numerous changes to Axis2D. Axis2D now uses BinSearcher as
with Axis1D.
2012-11-15 Andy Buckley <andy.buckley@cern.ch>
* Improving division and efficiency treatments, and allowing
arbitrary f(x), f(y), and flip transformations on Scatter2D.
2012-11-14 Andy Buckley <andy.buckley@cern.ch>
* Converting linspace, logspace, and their usage to place the nbins argument first.
2012-08-07 Andy Buckley <andy.buckley@cern.ch>
* Removing unused (beyond 2nd order) sumWXYZ counter from Dbn3D.
2012-08-07 Dave Mallows <dave.mallows@gmail.com>
* Converted Axis1D to use new Utils/BinSearcher.
2012-08-02 Dave Mallows <dave.mallows@gmail.com>
* Heavily refactored Cython bindings
* HistoBin1D, ProfileBin1D etc. now inherit from Bin1D[DBN]
* Temporarily removed Histo2D, Profile2D and Scatter3D mappings.
2012-07-23 Andy Buckley <andy.buckley@cern.ch>
* Installing scripts from bin dir, and making the yoda2aida interface nicer.
* Adding Cython mappings for Dbn3D and Profile2D, and other fixes/improvements.
2012-07-22 Andy Buckley <andy.buckley@cern.ch>
* Adding Cython mappings for Scatter3D and ProfileBin2D.
* Fixing more crap code legacy from old 2D plot implementation, this time in Scatter3D.
2012-07-19 Andy Buckley <andy.buckley@cern.ch>
* Adding stdErr for Histo2D + Python mapping, and more Cython improvements.
* Adding path/title-only AO constructors and making nice Python constructor for Histo2D.
* Cython mapping improvements & additions for Point3D + Scatter3D.
* Removing mixed symm/asymm constructors on Point*D & Scatter*D classes.
2012-07-12 Andy Buckley <andy.buckley@cern.ch>
* Reintroducing Profile2D and Scatter3D.
* Adding axis locking to Axis2D.
* Supporting Histo2D in WriterYODA.
2012-07-02 Andy Buckley <andy.buckley@cern.ch>
* More incremental progress toward a working 2D bin hash mechanism.
2012-05-03 Andy Buckley <andy.buckley@cern.ch>
* Adding nice constructor behaviours to the Histo1D and Profile2D
Python interfaces, and adding the mkScatter operation for
Profile1D.
* Adding more default constructors for analysis objects, to allow
member variable and STL container use without pointers.
2012-05-02 Andy Buckley <andy.buckley@cern.ch>
* A much simplified and more robust rewrite of the Axis1D class,
just using STL map in place of the hand-written bin edge caching.
* Improvements (I hope) to the binary search in Axis1D, and
providing an experimental default constructor for Histo1D.
2011-12-08 Hendrik Hoeth <hendrik.hoeth@cern.ch>
* ReaderYODA can now parse Histo1D and Profile1D flat files
2011-12-08 Andy Buckley <andy.buckley@cern.ch>
* Adding a Utils::ndarray object and using it to implement a
general Scatter<N> system, with generalised Point<N> and Error<N>
to boot.
2011-12-07 Hendrik Hoeth <hendrik.hoeth@cern.ch>
* Lots of cleanup
2011-12-07 Andy Buckley <andy.buckley@cern.ch>
* Mapping the Dbn1D and Dbn2D classes into Python.
* Adding an outflows() accessor to Histo2D.
* Writing out total dbn lines for Histo1D and Profile1D in the
YODA format, and now writing out the 'cross-terms' for Profile1D,
too.
* Properly adding Dbn1D accessors for Histo1D.
* Updating the Cython mappings to provide the totalDbn() methods
and add a placeholder mapping for Dbn2D. Completed mappings are
needed for Dbn{1,2,3}D and the Profile types.
* Adding totalDbn() accessors to data types.
2011-12-06 Andy Buckley <andy.buckley@cern.ch>
* Making Histo1D/2D::scaleW() write a ScaledBy annotation.
* Adding annotation-fetching methods with a default return value
argument to AnalysisObject.
* Adding normalize() methods to Histo1D/2D.
* Adding weighted RMS calculating methods to Dbn1D, Dbn2D and
Bin1D/2D.
2011-09-03 Dave Mallows <dave.mallows@gmail.com>
* Fixed ReaderAIDA: x-value and low y-error interchanged when filling
Scatter2D.
* Changed to Cython for Python bindings: Swig bindings were in need of
serious amounts of work. Cython should provide a means to provide more
Pythonic bindings to YODA. A minimal subset of ReaderAIDA, Scatter2D
and Point2D have been wrapped.
* Modified configure.ac, Makefile.am and pyext/Makefile.am to reflect
change to Cython. Added cython.m4 from python-efl (Part of the
enlightenment project; LGPL)
2011-08-31 Dave Mallows <dave.mallows@gmail.com>
* Fixed python tests by installing python extension to pyext/build
2011-08-23 Andy Buckley <andy@insectnation.org>
* Adding rebinning interface to Histo1D and Profile1D, and adding
a test (and a new test feature for output message formatting)
* Adding first implementation of 1D bin merging to Axis1D.
2011-08-22 Andy Buckley <andy@insectnation.org>
* Adding copy constructors and assignment operators to Histo1D,
Profile1D, and Scatter2D, and their respective bins/points.
* Remove use of sign(weight) in filling sum(w2) -- I think this
was an historical attempt based on a scaling axiom which turned
out to be inappropriate.
* Reworking the Bin1D inheritance and composition design so that
all bin types store a single distribution object -- a Dbn1D for
histo bins and a Dbn2D for profile bins.
2011-08-18 Andy Buckley <andy@insectnation.org>
* Removing the Profile1D -> ProfileBin1D friendship. This is very
heartening -- the fewer friend declarations we need, the more
indication that the class structure is not pathological! (Or that
we've just made everything public... but we haven't)
2011-08-15 Andy Buckley <andy@insectnation.org>
* Inlining all functions in HistoBin1D, ProfileBin1D, and
HistoBin2D.
* Converting Dbn2D to be composed of two Dbn1Ds and a
cross-term. Also tidying the interfaces of the 2D classes and the
scaleX/Y methods throughout, and adding Doxygen comments.
2011-08-12 Andy Buckley <andy@insectnation.org>
* Adding proper Doxygen structures and full descriptive comments
to Dbn2D.
* Adding the persistency state-setting constructors for Profile1D
and Dbn2D.
* Inlining lots of methods on Dbn1D. Same should be done for
Dbn2D, but first it needs to be reimplemented in terms of two
Dbn1Ds + the cross-term.
2011-08-11 Andy Buckley <andy@insectnation.org>
* Various typo fixes and comments relating to persistency
constructors, Histo2D slicing, etc.
* Changing the HistoBin1D state-setting constructors (aargh, these
should *not* have already existed) to take Dbn1D as an argument
rather than a long list of doubles.
2011-08-01 Andy Buckley <andy@insectnation.org>
* Adding tests to check that implicit construction of Weights
objects from literal doubles and ints works.
2011-07-28 Andy Buckley <andy@insectnation.org>
* Bumping version number to 0.4.0beta0 -- there have been
substantial changes recently and YODA is now in a state where it
should be interesting for outsiders to start playing with it.
* Templating the Axis1D on the distribution type to be used for
total and under/overflow statistics: Profile1D now has Dbn2D
objects handling its total and overflow statistics.
2011-07-26 Andy Buckley <andy@insectnation.org>
* Added a Histo1D::integral(index1, index2) method. Not sure how
or if to extend this to Profile1D.
* Implementing incomplete Scatter2D operator+ and operator-
functions.
2011-07-25 Andy Buckley <andy@insectnation.org>
* Adding a Weights class, designed to seamlessly replace
double-type weights and weighted moments with a named and
vectorised form.
2011-07-19 Andy Buckley <andy@insectnation.org>
* Add Profile1D and Scatter2D division operators.
* Add xMin/xMax synonyms to the Axis1D, cf. the bins.
2011-07-18 Andy Buckley <andy@insectnation.org>
* Add a first stab at a Histo1D/Histo1D division operator.
2011-07-10 Andy Buckley <andy@insectnation.org>
* Add construction of Histo1Ds from Profile1D and Histo1D, and
construction of Profile1Ds from those and Scatter2D.
2011-07-07 Andy Buckley <andy@insectnation.org>
* Add construction of a Histo1D from Scatter2D.
2011-06-15 Andy Buckley <andy@insectnation.org>
* Making the AIDA reader work, including reading of annotations
and a few tweaks to the simple type persistency system. Test histo
1b updated.
2011-06-12 Andy Buckley <andy@insectnation.org>
* Removing Histo1D::area
* Filling and using under/overflow and total db on Histo1D, and
adding boolean arg to integral, sumW, etc.
* Fixing for C++ change in behaviour of std::make_pair
* Adding addAnnotation, and mapping annotations to Python.
2011-02-22 Andy Buckley <andy@insectnation.org>
* Use distutils rather than setuptools for the Python interface
build.
* Renaming Bin, HistoBin and ProfileBin to be Bin1D, HistoBin1D,
ProfileBin1D. Bin is now a top-level abstract class with minimal
functionality to be shared between 1D and 2D bins.
2011-01-12 Andy Buckley <andy@insectnation.org>
* Type annotations in mkScatter
* Added many vector constructors and addPoint functions to
Scatter2D.
2011-01-11 Andy Buckley <andy@insectnation.org>
* Add lexical_cast support to annotation get and set functions.
* Write out annotations in AIDA format, and copy annotations in
mkScatter -- using a new AnalysisObject::setAnnotations method.
* Convert DPS output to use interim Scatter construction
* Make (unused) yoda.plot subpackage.
* Write out annotations in YODA format.
* Make Scatter2D representations of Histo1D and Profile1D.
* Write out Scatter2D objects in AIDA and YODA formats.
* Make Scatter2D and Point2D work. Add a few extra
methods... evolution and tweaking required.
2011-01-10 Andy Buckley <andy@insectnation.org>
* Add Boost checks and header includes. Not used yet.
* Hide Utils:: content from Doxygen and nvector -> Utils::nvector.
* Removing unused YAML stuff: we aren't going that way for
persistency anymore.
* Renaming Axis -> Axis1D
* Removing dead-end templated Scatter stuff.
* Move (generated) config files into the Config subdir.
* Move sortedvector and indexedset into the Utils dir.
* Move the "utils" directory and namespace to "Utils"
* Put the Doxyfile under configure control by moving it to
Doxyfile.in and using the @PACKAGE_VERSION@ token.
* Make Doxygen find the .icc file and hide functions with name _*
and in the YAML namespace.
* Removing the Binning argument and enum in favour of explicit bin
edge vectors, possibly produced explicitly via the MathUtils
linspace and logspace functions, or the new Axis::mkBinEdgesLin/Log
alias functions.
* Fixed Axis, Histo1D and Profile1D constructors, by adding a path
argument, passing the path and title args to the AnalysisObject
base constructor properly.
* Removed several old and unused files such as Tree.h
2011-01-09 Andy Buckley <andy@insectnation.org>
* Updating copyright comments to be valid into 2011.
* Persistency fixes, and changing the interface to use the annotated path.
* Using annotations for path and title.
* Adding tests of collection and iterator range AO writing.
* Adding static write functions on Writer*.h implementations to
avoid needing to make an explicit Writer object via the create()
functions.
* Rename Exception.h -> Exceptions.h
* Added AnnotationError.
* Re-enable persistency of collections with begin/end iterators.
2011-01-08 Andy Buckley <andy@insectnation.org>
* Enabling quiet compilation.
* More annotation functionality.
2011-01-07 Andy Buckley <andy@insectnation.org>
* Sorting out autoheaders to be more useful.
* Rewriting AIDA writer to use DPS representation (no reloading)
for Histo1D and Profile1D objects.
* Adding persistency system hooks, since RTTI just sucks too much.
* Renaming test files to have more meaningful names.
2010-12-10 Andy Buckley <andy@insectnation.org>
* Some tweaks to Axis, Bin, etc. to use the sortedvector. Seems to
be working! (I must be checking it wrongly...)
* Adding another candidate object for the axis bin container: a
sorted extension to STL std::vector with an insert method. This
will do as a development placeholder: a proper sorted & indexed
container may be substituted later.
* Fix test code: titles are no longer given as histogram
constructor arguments.
2010-11-21 Andy Buckley <andy@insectnation.org>
* Adding indexed set for holding bins on axes. Still not sure it's
what we want, as (I just realised) STL sets are iterator-immutable
because they are self-keyed and changes to elements would also
change their sorting.
2010-09-19 Andy Buckley <andy@insectnation.org>
* Restarting ChangeLog contributions! Many changes in the huge
time since last update... activity on YODA has renewed and we have
a better picture of the distinctive features we require. New idea:
named weight vector filling, allowing "parallel" histograms for
various event weight variations. I/O remains an awkward issue,
especially since the classes are now much richer than they used to
be, and don't know about paths. Output can be easily put on top:
not an issue... and we can probably do something with
pickling. But reading in from C++?
2008-09-16 Andy Buckley <andy@insectnation.org>
* Moved duplicate Histo1D/Profile1D code on to Axis, making Axis a
templated class at the same time.
2008-09-12 Andy Buckley <andy@insectnation.org>
* Started work on a little plotting tool, initially for Herwig++
parton pT cut testing, but incrementally enhancing it to be a
command-line quick plotter seems like a good idea.
* Added some more test programs... working towards a proper test
suite.
* Added "no path & title" constructors - you don't always want to
write out the histo, since sometimes it's just a good way to
gather statistics.
* Fixed YODA mapping to allow use of vectors of bins as Python
lists.
* Added Profile1D functionality.
* Fixed Dbn1D to use sign(weight) as part of the "w**2" measure,
so that negative weights behave themselves.
2008-05-23 Andy Buckley <andy@insectnation.org>
* Added Dbn1D class to centralise the calculation of statistics
from unbounded, unbinned, weighted distributions.
2008-05-15 Andy Buckley <andy@insectnation.org>
* Added Profile1D class.
* Fixed NaN errors from zero weights.
2008-04-14 Andy Buckley <andy@insectnation.org>
* Python SWIG interface now compiles and can be used: the subtlety
that was breaking it was that SWIG has to be prodded in pretty
non-obvious ways to make std::vectors of classes without
default (no-arg) constructors. See
http://osdir.com/ml/programming.swig/2004-04/msg00011.html for
about the only reference to this to be found anywhere!
* Basic AIDA writer now available - it doesn't yet output all the
necessary information though, especially not for merging parallel
runs.
diff --git a/include/YODA/Writer.h b/include/YODA/Writer.h
--- a/include/YODA/Writer.h
+++ b/include/YODA/Writer.h
@@ -1,153 +1,160 @@
// -*- C++ -*-
//
// This file is part of YODA -- Yet more Objects for Data Analysis
// Copyright (C) 2008-2015 The YODA collaboration (see AUTHORS for details)
//
#ifndef YODA_Writer_h
#define YODA_Writer_h
#include "YODA/AnalysisObject.h"
#include "YODA/Counter.h"
#include "YODA/Histo1D.h"
#include "YODA/Histo2D.h"
#include "YODA/Profile1D.h"
#include "YODA/Profile2D.h"
#include "YODA/Scatter1D.h"
#include "YODA/Scatter2D.h"
#include "YODA/Scatter3D.h"
#include "YODA/Utils/Traits.h"
#include "boost/range.hpp"
#include "boost/utility/enable_if.hpp"
#include <string>
#include <fstream>
namespace YODA {
/// Pure virtual base class for various output writers.
class Writer {
public:
/// Virtual destructor
virtual ~Writer() {}
/// @name Writing a single analysis object.
//@{
/// Write out object @a ao to output stream @a stream.
void write(std::ostream& stream, const AnalysisObject& ao);
/// Write out object @a ao to file @a filename.
void write(const std::string& filename, const AnalysisObject& ao);
//@}
/// @name Writing multiple analysis objects by collection.
//@{
/// Write out a collection of objects @a objs to output stream @a stream.
/// Note: the enable_if call checks whether RANGE is const_iterable, if yes the return
/// type is void. If not, this template will not be a candidate in the lookup
template <typename RANGE>
typename boost::enable_if_c<Iterable<RANGE>::value>::type
write(std::ostream& stream, const RANGE& aos) {
//typedef typename boost::range_iterator<const RANGE>::type const_iterator;
write(stream, boost::begin(aos), boost::end(aos));
}
/// Write out a collection of objects @a objs to file @a filename.
template <typename RANGE>
typename boost::enable_if_c<Iterable<RANGE>::value>::type
write(const std::string& filename, const RANGE& aos) {
//typedef typename boost::range_iterator<const RANGE>::type const_iterator;
write(filename, boost::begin(aos), boost::end(aos));
}
//@}
/// @name Writing multiple analysis objects by iterator range.
//@{
/// Write out the objects specified by start iterator @a begin and end
/// iterator @a end to output stream @a stream.
template <typename AOITER>
void write(std::ostream& stream, const AOITER& begin, const AOITER& end) {
writeHeader(stream);
for (AOITER ipao = begin; ipao != end; ++ipao) {
- writeBody(stream, *ipao);
+ try {
+ writeBody(stream, *ipao);
+ }
+ catch (const LowStatsError & ex) {
+ std::cerr << "Not writing out Analysis Object " << (**ipao).title()
+ << " as caught LowStatsError. The exception was\n "
+ << ex.what() << "\n";
+ }
}
writeFooter(stream);
}
/// Write out the objects specified by start iterator @a begin and end
/// iterator @a end to file @a filename.
template <typename AOITER>
void write(const std::string& filename,
const AOITER& begin,
const AOITER& end) {
std::ofstream outstream;
outstream.exceptions ( std::ifstream::failbit | std::ifstream::badbit );
try{
outstream.open(filename.c_str());
write(outstream, begin, end);
outstream.close();
} catch(std::ifstream::failure e) {
throw WriteError("writing to filename " + filename + " failed: " + e.what());
}
}
//@}
/// Set precision of numerical quantities in this writer's output.
void setPrecision(int precision) {
_precision = precision;
}
protected:
/// Main writer elements
virtual void writeHeader(std::ostream& stream) = 0;
//note: DerefAO<T> is a trait that's true if T has a derefence operator
// that is convertible to an AnalysisObject
template<typename T>
typename boost::enable_if_c<DerefAO<T>::value>::type writeBody(std::ostream& stream, const T& ao){
writeBody(stream,*ao);
}
virtual void writeBody(std::ostream& stream, const AnalysisObject* ao);
virtual void writeBody(std::ostream& stream, const AnalysisObject& ao);
virtual void writeFooter(std::ostream& stream) = 0;
/// Specific AO type writer implementations
virtual void writeCounter(std::ostream& stream, const Counter& c) = 0;
virtual void writeHisto1D(std::ostream& os, const Histo1D& h) = 0;
virtual void writeHisto2D(std::ostream& os, const Histo2D& h) = 0;
virtual void writeProfile1D(std::ostream& os, const Profile1D& p) = 0;
virtual void writeProfile2D(std::ostream& os, const Profile2D& p) = 0;
virtual void writeScatter1D(std::ostream& os, const Scatter1D& s) = 0;
virtual void writeScatter2D(std::ostream& os, const Scatter2D& s) = 0;
virtual void writeScatter3D(std::ostream& os, const Scatter3D& s) = 0;
/// Output precision
int _precision;
};
/// Factory function to make a writer object by format name or a filename
Writer& mkWriter(const std::string& format_name);
}
#endif
diff --git a/src/Dbn1D.cc b/src/Dbn1D.cc
--- a/src/Dbn1D.cc
+++ b/src/Dbn1D.cc
@@ -1,86 +1,85 @@
// -*- C++ -*-
//
// This file is part of YODA -- Yet more Objects for Data Analysis
// Copyright (C) 2008-2015 The YODA collaboration (see AUTHORS for details)
//
#include "YODA/Dbn1D.h"
namespace YODA {
double Dbn1D::xMean() const {
if (effNumEntries() == 0 || sumW() == 0) {
throw LowStatsError("Requested mean of a distribution with no net fill weights");
}
// This is ok, even for negative sum(w)
return sumWX()/sumW();
}
double Dbn1D::xVariance() const {
// Weighted variance defined as
// sig2 = ( sum(wx**2) * sum(w) - sum(wx)**2 ) / ( sum(w)**2 - sum(w**2) )
// see http://en.wikipedia.org/wiki/Weighted_mean
if (effNumEntries() == 0) {
throw LowStatsError("Requested variance of a distribution with no net fill weights");
} else if (fuzzyLessEquals(effNumEntries(), 1.0)) {
throw LowStatsError("Requested variance of a distribution with only one effective entry");
}
const double num = sumWX2()*sumW() - sqr(sumWX());
const double den = sqr(sumW()) - sumW2();
if (den==0.) {
- std::cerr << "testing is this the problem ??? " << num << " " << den << "\n";
throw WeightError("Undefined weighted variance");
}
/// @todo Isn't this sensitive to the overall scale of the weights?
/// Shouldn't it check if den is bigger then num by a set number of
/// orders of magnitude and vice versa?
// if (fabs(num) < 1e-10 && fabs(den) < 1e-10) {
// throw WeightError("Numerically unstable weights in width calculation");
// }
// The weighted variance as defined above
const double var = num/den;
/// We take the modulus of the weighted variance since the expression above can be negative with weighted means
/// @todo Is this the correct approach? There is no information online other than "weights are non-negative"...
return fabs(var);
}
double Dbn1D::xStdErr() const {
// Handle zero/negative sum weight
if (effNumEntries() == 0) {
throw LowStatsError("Requested std error of a distribution with no net fill weights");
}
/// @todo Unbiased should check that Neff > 1 and divide by N-1?
return std::sqrt(xVariance() / effNumEntries());
}
double Dbn1D::xRMS() const {
// Weighted RMS defined as
// rms = sqrt(sum{w x^2} / sum{w})
if (effNumEntries() == 0) {
throw LowStatsError("Requested RMS of a distribution with no net fill weights");
}
const double meansq = sumWX2() / sumW();
return std::sqrt(meansq);
}
Dbn1D& Dbn1D::add(const Dbn1D& d) {
_dbnW += d._dbnW;
_sumWX += d._sumWX;
_sumWX2 += d._sumWX2;
return *this;
}
Dbn1D& Dbn1D::subtract(const Dbn1D& d) {
_dbnW -= d._dbnW;
_sumWX -= d._sumWX;
_sumWX2 -= d._sumWX2;
return *this;
}
}

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