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Adapt to new range for BDT output for Run3 Saturated regression #37100

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merged 2 commits into from Mar 3, 2022
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Adapt to new range for BDT output for Run3 Saturated regression #37100

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8f685bd
change range for Run3 Saturated regression
swagata87 Feb 26, 2022
10660de
era run3 egamma
swagata87 Mar 2, 2022
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11 changes: 11 additions & 0 deletions RecoEgamma/EgammaTools/python/regressionModifier_cfi.py
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Expand Up @@ -246,5 +246,16 @@

(run2_egamma_2016 | run2_egamma_2017 | run2_egamma_2018).toReplaceWith(regressionModifier,regressionModifier106XUL)

from Configuration.Eras.Modifier_run3_common_cff import run3_common
run3_common.toModify(regressionModifier106XUL.eleRegs.ecalOnlyMean,
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should there be a run3_egamma instead, just to follow the old patterns?

rangeMinHighEt = 0.2,
rangeMaxHighEt = 2.0
)

run3_common.toModify(regressionModifier106XUL.phoRegs.ecalOnlyMean,
rangeMinHighEt = 0.2,
rangeMaxHighEt = 2.0
)

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Could something similar also work? (Please check before implementing, if you decide so)

Suggested change
(run2_egamma_2016 | run2_egamma_2017 | run2_egamma_2018).toReplaceWith(regressionModifier,regressionModifier106XUL)
from Configuration.Eras.Modifier_run3_common_cff import run3_common
run3_common.toModify(regressionModifier106XUL.eleRegs.ecalOnlyMean,
rangeMinHighEt = 0.2,
rangeMaxHighEt = 2.0
)
run3_common.toModify(regressionModifier106XUL.phoRegs.ecalOnlyMean,
rangeMinHighEt = 0.2,
rangeMaxHighEt = 2.0
)
regressionModifierRun2 = regressionModifier106XUL.clone()
from Configuration.Eras.Modifier_run2_egamma_2016_cff import run2_egamma_2016
from Configuration.Eras.Modifier_run2_egamma_2017_cff import run2_egamma_2017
from Configuration.Eras.Modifier_run2_egamma_2018_cff import run2_egamma_2018
(run2_egamma_2016 | run2_egamma_2017 | run2_egamma_2018).toReplaceWith(regressionModifier,regressionModifierRun2)
regressionModifierRun3 = regressionModifierRun2.clone(
eleRegs = dict(
ecalOnlyMean = dict(
rangeMinHighEt = 0.2,
rangeMaxHighEt = 2.0
)
),
phoRegs = dict(
ecalOnlyMean = dict(
rangeMinHighEt = 0.2,
rangeMaxHighEt = 2.0
)
)
)
from Configuration.Eras.Modifier_run3_common_cff import run3_common
run3_common.toReplaceWith(regressionModifier,regressionModifierRun3

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what's wrong with the original? except for the fact that there we should just have run3_common.toModify(regressionModifier.phoRegs.ecalOnlyMean

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the original one, ie regressionModifier clones regressionModifier94X,

cmssw/RecoEgamma/EgammaTools/python/regressionModifier_cfi.py

Line 240 in 6558221

regressionModifier = regressionModifier94X.clone()

and regressionModifier94X is incompatible with Run3 as it uses EGRegressionModifierV2, while we need EGRegressionModifierV3.

cmssw/RecoEgamma/EgammaTools/python/regressionModifier_cfi.py

Lines 183 to 185 in 6558221

regressionModifier94X = \
cms.PSet( modifierName = cms.string('EGRegressionModifierV2'),

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but it's already replaced at that point in the line above
(run2_egamma_2016 | run2_egamma_2017 | run2_egamma_2018).toReplaceWith(regressionModifier,regressionModifier106XUL)

(run2_egamma_2018 is active in the Run3 era)

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but it's already replaced at that point in the line above
(run2_egamma_2016 | run2_egamma_2017 | run2_egamma_2018).toReplaceWith(regressionModifier,regressionModifier106XUL)

to be more obvious that line could be updated to be
(run2_egamma_2016 | run2_egamma_2017 | run2_egamma_2018 | run3_common).toReplaceWith ...

(my other comment about introducing a run3_egamma instead still applies; although that one is probably more for convenience of finding egamma-related changes)

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thanks for explaining, Slava. I gave it a try[1].
so the way I originally implemented it, and the way you suggested, both have an unintended effect (discussed here also #37102 (comment)), that new parameter values gets propagated to low pT electron regression too. (I checked it by doing edmConfigDump after implementing [1]).

So now I will try the way Andrea suggested. And I will also try to add run3_egamma as per your suggestion.

[1]

(run2_egamma_2016 | run2_egamma_2017 | run2_egamma_2018 | run3_common).toReplaceWith(regressionModifier,regressionModifier106XUL)

run3_common.toModify(regressionModifier.eleRegs.ecalOnlyMean,
      rangeMinHighEt = 0.2,
      rangeMaxHighEt = 2.0
)

run3_common.toModify(regressionModifier.phoRegs.ecalOnlyMean,
      rangeMinHighEt = 0.2,
      rangeMaxHighEt = 2.0
)

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both have an unintended effect (discussed here also #37102 (comment)), that new parameter values gets propagated to low pT electron regression too.

uhm, what about
(run2_egamma_2016 | run2_egamma_2017 | run2_egamma_2018 | run3_common).toReplaceWith(regressionModifier,regressionModifier106XUL.clone()) ?

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@slava77 I don't think it can work.
For Run3 the regressionModifier has to be further modified: it cannot be the same as for Run2.

from Configuration.ProcessModifiers.egamma_lowPt_exclusive_cff import egamma_lowPt_exclusive
egamma_lowPt_exclusive.toReplaceWith(regressionModifier,regressionModifier103XLowPtPho)