del reader ## attention: reader must be deleted explicitely
# =========================================================================
## B: addTMVAResponse
# Much better alternative to TMVA.Reader:
# - it has much better performance :-)
# - but it is less flexible with repsect to varibale transformation :-(
# =========================================================================
from ostap.tools.tmva import addTMVAResponse
logger.info('dataset SIG: %s' % ds1)
logger.info('dataset BKG: %s' % ds2)
addTMVAResponse(ds1,
inputs=('var1', 'var2', 'var3'),
weights_files=tar_file,
prefix='tmva_',
suffix='_response')
addTMVAResponse(ds2,
inputs=('var1', 'var2', 'var3'),
weights_files=tar_file,
prefix='tmva_',
suffix='_response')
# =========================================================================
## The END of addTMVAResponse fragment
# =========================================================================
logger.info('dataset SIG: %s' % ds1)
logger.info('dataset BKG: %s' % ds2)
for m in methods:
datafile.ls()
tSignal = datafile['S']
tBkg = datafile['B']
# =========================================================================
## B: addTMVAResponse
# Much better alternative to TMVA.Reader:
# - it has much better performance :-)
# - but it is less flexible with repsect to varibale transformation :-(
# =========================================================================
from ostap.tools.tmva import addTMVAResponse
addTMVAResponse ( tSignal ,
inputs = ( 'var1' , 'var2' , 'var3' ) ,
weights_files = tar_file ,
prefix = 'tmva_' ,
suffix = '_response' )
addTMVAResponse ( tBkg ,
inputs = ( 'var1' , 'var2' , 'var3' ) ,
weights_files = tar_file ,
prefix = 'tmva_' ,
suffix = '_response' )
# =========================================================================
## The END of addTMVAResponse fragment
# =========================================================================
# =============================================================================
## read input data file
with ROOT.TFile.Open( data_file ,'READ') as datafile :