def pdf(self, **kwargs ) :
from P2VV.Utilities.DataMoments import RealMomentsBuilder
mb = RealMomentsBuilder()
mb.appendPYList( self._angles, kwargs.pop('Indices') )
mb.compute( self._splot.data( kwargs.pop('Component') ) )
if kwargs.pop('Verbose',False) :
mb.Print()
print 'computed moments, creating PDF with name %s' % kwargs['Name']
return mb.createPDF( **kwargs )
for var in pdf.getObservables(data) : var.Print()
print '\nParameters in PDF:'
for par in pdf.getParameters(data) : par.Print()
print
else :
print '\nUsing uniform angular PDF'
print
# moments builder with angular functions from physics PDF
from P2VV.Utilities.DataMoments import RealMomentsBuilder
if normPdf :
from P2VV.RooFitWrappers import RealEffMoment
physMoments = RealMomentsBuilder( Moments = ( RealEffMoment( Name = func.GetName(), BasisFunc = func,Norm = 1., PDF = pdf
, IntSet = intSet, NormSet = normSet )\
for complexFunc in angleFuncs.functions.itervalues() for func in complexFunc if func
)
)
else :
from P2VV.RooFitWrappers import RealMoment
physMoments = RealMomentsBuilder( Moments = ( RealMoment( Name = func.GetName(), BasisFunc = func, Norm = 1. )\
for complexFunc in angleFuncs.functions.itervalues() for func in complexFunc if func
)
)
physMoments.initCovariances()
# moments builder with angular basis functions
indices = [ ( PIndex, YIndex0, YIndex1 ) for PIndex in range(3) for YIndex0 in range(3) for YIndex1 in range( -YIndex0, YIndex0 + 1 ) ]
indices += [ ( 0, 4, 0 ), ( 0, 4, 2 ), ( 0, 4, 4 ) ]
ws.factory('Legendre::one(x,0,0)') # 1
ws.factory('Legendre::cos(x,1,0)') # x = cos(theta)
ws.factory('prod::sin(minus[-1.],Legendre::P11(x,1,1))') # sqrt(1 - x^2) = sin(theta)
ws.factory('prod::sin2(min23[0.],Legendre::P21(x,2,1))') # 2x * sqrt(1 - x^2) = sin(2*theta)
ws['min23'].setVal( -2. / 3. )
# create data sets
from ROOT import RooDataSet
noWeightData = RooDataSet( 'noWeightData', 'noWeightData', obsSet )
weightData = RooDataSet( 'weightData', 'weightData', obsWSet, 'weight' )
# build moments builders
from P2VV.Utilities.DataMoments import RealMomentsBuilder
from P2VV.RooFitWrappers import RealMoment
moms = RealMomentsBuilder( Moments = [ RealMoment( Name = ws[func].GetName(), BasisFunc = ws[func], Norm = 1. ) for func in funcNames ] )
momsW = RealMomentsBuilder( Moments = [ RealMoment( Name = ws[func].GetName(), BasisFunc = ws[func], Norm = 1. ) for func in funcNames ] )
moms.initCovariances()
momsW.initCovariances()
# initialize variables for calculation of covariances
covs = dict( [ ( name1, dict( [ ( name2, 0. ) for name2 in funcNames ] ) ) for name1 in funcNames ] )
covsW = dict( [ ( name1, dict( [ ( name2, 0. ) for name2 in funcNames ] ) ) for name1 in funcNames ] )
# generate data and compute moments in loop
import sys
from ROOT import RooRandom
for it in range(nIters) :
if it % 100 == 0 :
print 'iteration %d' % it
sys.stdout.flush()
pdf.fitTo( data, **fitOpts ) ########################################################################################################################################### ## compute angular moments and build moments PDFs ## #################################################### # build angular moment basis functions indices = [ ( PIndex, YIndex0, YIndex1 ) for PIndex in range(4) for YIndex0 in range(3) for YIndex1 in range( -YIndex0, YIndex0 + 1 ) ] # construct moment names strings names0 = 'p2vvab_0000' names1 = names0 + '|p2vvab_001.|p2vvab_100.|p2vvab_101.' from P2VV.Utilities.DataMoments import RealMomentsBuilder moments = RealMomentsBuilder() moments.appendPYList( angleFuncs.angles, indices ) moments.initCovariances() # compute moments from data set moments.compute(data) moments.write( momentsFile, Scale = scale ) # print moments to screen moments.Print( Scale = scale, MinSignificance = 3. ) moments.Print( Scale = scale, MinSignificance = 3., Names = names0 ) moments.Print( Scale = scale, MinSignificance = 3., Names = names1 ) # build new PDFs with angular moments momPDFTerms = moments.buildPDFTerms( MinSignificance = 0. , Scale = scale , RangeNumStdDevs = 5. ) momPDFTerms0 = moments.buildPDFTerms( MinSignificance = 3., Names = names0, Scale = scale, CoefNamePrefix = 'C0_' )
###########################################################################################################################################
## compute angular moments and build moments PDFs ##
####################################################
# build angular moment basis functions
indices = [ ( PIndex, YIndex0, YIndex1 ) for PIndex in range(3) for YIndex0 in range(3) for YIndex1 in range( -YIndex0, YIndex0 + 1 ) ]
#indices += [ ( PIndex, 2, YIndex1 ) for PIndex in range( 3, 10 ) for YIndex1 in [ -2, 1 ] ]
# construct moment names strings
names0 = 'p2vvab_00..'
names1 = names0 + '|p2vvab_10..'
names2 = names1 + '|p2vvab_20..'
from P2VV.Utilities.DataMoments import RealMomentsBuilder
moments = RealMomentsBuilder()
moments.appendPYList( angleFuncs.angles, indices )
if computeMoments :
# compute moments from data set
moments.compute(data)
moments.write(momentsFile, Scale = scale)
else :
# read moments from file
moments.read(momentsFile)
# print moments to screen
moments.Print( Scale = scale, MinSignificance = 3., Names = names0 )
moments.Print( Scale = scale, MinSignificance = 3., Names = names1 )
moments.Print( Scale = scale, MinSignificance = 3., Names = names2 )
for var in pdf.getObservables(data) : var.Print()
print '\nParameters in PDF:'
for par in pdf.getParameters(data) : par.Print()
print
else :
print '\nUsing uniform angular PDF'
print
# moments builder with angular functions from physics PDF
from P2VV.Utilities.DataMoments import RealMomentsBuilder
if physPdf :
from P2VV.RooFitWrappers import RealEffMoment
physMoments = RealMomentsBuilder( Moments = ( RealEffMoment( Name = func.GetName(), BasisFunc = func,
Norm = 1., PDF = pdf, IntSet = [ ], NormSet = angles )\
for complexFunc in angleFuncs.functions.itervalues() for func in complexFunc if func
)
)
else :
from P2VV.RooFitWrappers import RealMoment
physMoments = RealMomentsBuilder( Moments = ( RealMoment( Name = func.GetName(), BasisFunc = func, Norm = 1. )\
for complexFunc in angleFuncs.functions.itervalues() for func in complexFunc if func
)
)
physMoments.initCovariances()
# moments builder with angular basis functions
indices = [ ( PIndex, YIndex0, YIndex1 ) for PIndex in range(3) for YIndex0 in range(3) for YIndex1 in range( -YIndex0, YIndex0 + 1 ) ]
indices += [ ( 0, 4, 0 ), ( 0, 4, 2 ), ( 0, 4, 4 ) ]
angleFuncs = AngleFuncs( cpsi = 'trcospsi', ctheta = 'trcostheta', phi = 'trphi' )
else :
from P2VV.Parameterizations.AngularFunctions import JpsiphiHelicityAngles as AngleFuncs
angleFuncs = AngleFuncs( cpsi = 'helcosthetaK', ctheta = 'helcosthetaL', phi = 'helphi' )
angles = [ angleFuncs.angles[ang] for ang in [ 'cpsi', 'ctheta', 'phi' ] ]
from P2VV.Utilities.DataMoments import RealMomentsBuilder
from math import sqrt, pi
indices = [ ( PIndex, YIndex0, YIndex1 ) for PIndex in range(6) for YIndex0 in range(6)\
for YIndex1 in range( -YIndex0, YIndex0 + 1 ) ]
#indices = [ ( PIndex, YIndex0, 0 ) for PIndex in range(5) for YIndex0 in range(5) ]
#indices = [ ( PIndex, YIndex0, YIndex1 ) for PIndex in range(3) for YIndex0 in range(3)\
# for YIndex1 in range( -YIndex0, YIndex0 + 1 ) ]
#indices += [ ( 0, 4, 0 ), ( 0, 4, 2 ), ( 0, 4, 4 ) ]
moments = RealMomentsBuilder()
moments.appendPYList( angleFuncs.angles, indices )
for file, fac in zip( momentsFiles, addFactors ) :
moments.read( file, AddMoments = fac )
moments.Print( Scale = 1. / 2. / sqrt(pi)
, Names = '|'.join( 'p2vvab_%d0%d%s%d' % ( moms[0], moms[1], 'm' if moms[2] < 0 else '', moms[2] ) for moms in signMoms )
)
moments.Print( Scale = 1. / 2. / sqrt(pi), MinSignificance = 2.5 )
momFuncTerms = moments.buildPDFTerms( CoefNamePrefix = 'transC_' if transAngles else 'helC_'
, Names = '|'.join( 'p2vvab_%d0%d%s%d' % ( moms[0], moms[1], 'm' if moms[2] < 0 else '', moms[2] )\
for moms in signMoms )
)
momFunc = momFuncTerms.buildAddition( 'efficiency' + ( 'Trans' if transAngles else 'Hel' ) )
# create efficiency functions with alternative angular values for slices
KKmomentaReweight.reweight( iterNumb, source() )
KmomentaWeightsName = 'hor' + KmomentaWeightsName
mcDataMngr.setDataSet( KKmomentaReweight.getDataSet(), KmomentaWeightsName )
# compute angular efficiency moments from the new reweighted mc dataset.
# set data pars to pdf (reweighted data has the data physics now)
if KKmomWeightsOnly: PhysicsReweight.setMonteCarloParameters()
else:
if reweightPhysics: PhysicsReweight.setDataFitParameters(dataParameters)
else: PhysicsReweight.setMonteCarloParameters()
physMoments = RealMomentsBuilder( Moments = ( RealEffMoment( Name = func.GetName(),
BasisFunc = func,
Norm = 1.,
PDF = PhysicsReweight.getPdf(),
IntSet = [],
NormSet = angles
)\
for complexFunc in PhysicsReweight.getAngleFunctions().functions.itervalues() for func in complexFunc if func )
)
scaleFactor = 1 / 16. / sqrt(pi)
physMoments.initCovariances()
physMoments.compute(mcDataMngr.getDataSet())
physMoments.write( 'Sim08_{0}_{1}_Phys_{2}'.format(MCProd,outputEffMomentsBaselineName,iterNumb), Scale=scaleFactor )
# normalize effciency moments
normalizeMoments( 'Sim08_{0}_{1}_Phys_{2}'.format(MCProd,outputEffMomentsBaselineName,iterNumb),
'Sim08_{0}_{1}_Phys_norm_{2}'.format(MCProd,outputEffMomentsBaselineName,iterNumb),
normMoment = PhysicsReweight.getParNamePrefix() + '_Re_ang_A0_A0',
printMoms = delIntermediateMoms