Unbinned maximum likelihood fit of an efficiency eff(x) function to a dataset D(x,cut), where cut is a category encoding a selection, of which the efficiency as function of x should be described by eff(x)
Processing /mnt/build/workspace/root-makedoc-v614/rootspi/rdoc/src/v6-14-00-patches/tutorials/roofit/rf701_efficiencyfit.C...
[1mRooFit v3.60 -- Developed by Wouter Verkerke and David Kirkby[0m
Copyright (C) 2000-2013 NIKHEF, University of California & Stanford University
All rights reserved, please read http://roofit.sourceforge.net/license.txt
[#1] INFO:Minization -- RooMinimizer::optimizeConst: activating const optimization
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** 1 **SET PRINT 1
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** 2 **SET NOGRAD
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PARAMETER DEFINITIONS:
NO. NAME VALUE STEP SIZE LIMITS
1 a 4.00000e-01 1.00000e-01 0.00000e+00 1.00000e+00
2 c -1.00000e+00 2.00000e+00 -1.00000e+01 1.00000e+01
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** 3 **SET ERR 0.5
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** 4 **SET PRINT 1
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** 5 **SET STR 1
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NOW USING STRATEGY 1: TRY TO BALANCE SPEED AGAINST RELIABILITY
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** 6 **MIGRAD 1000 1
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FIRST CALL TO USER FUNCTION AT NEW START POINT, WITH IFLAG=4.
START MIGRAD MINIMIZATION. STRATEGY 1. CONVERGENCE WHEN EDM .LT. 1.00e-03
FCN=3887.11 FROM MIGRAD STATUS=INITIATE 8 CALLS 9 TOTAL
EDM= unknown STRATEGY= 1 NO ERROR MATRIX
EXT PARAMETER CURRENT GUESS STEP FIRST
NO. NAME VALUE ERROR SIZE DERIVATIVE
1 a 4.00000e-01 1.00000e-01 2.05758e-01 8.51804e+01
2 c -1.00000e+00 2.00000e+00 2.02430e-01 7.00873e+01
ERR DEF= 0.5
MIGRAD MINIMIZATION HAS CONVERGED.
MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX.
COVARIANCE MATRIX CALCULATED SUCCESSFULLY
FCN=3886.26 FROM MIGRAD STATUS=CONVERGED 30 CALLS 31 TOTAL
EDM=2.277e-05 STRATEGY= 1 ERROR MATRIX ACCURATE
EXT PARAMETER STEP FIRST
NO. NAME VALUE ERROR SIZE DERIVATIVE
1 a 3.89817e-01 8.14984e-03 6.58343e-04 -2.65715e-01
2 c -9.91750e-01 6.56208e-02 2.58326e-04 -6.57933e-01
ERR DEF= 0.5
EXTERNAL ERROR MATRIX. NDIM= 25 NPAR= 2 ERR DEF=0.5
6.643e-05 -2.189e-04
-2.189e-04 4.306e-03
PARAMETER CORRELATION COEFFICIENTS
NO. GLOBAL 1 2
1 0.40934 1.000 -0.409
2 0.40934 -0.409 1.000
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** 7 **SET ERR 0.5
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** 8 **SET PRINT 1
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** 9 **HESSE 1000
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COVARIANCE MATRIX CALCULATED SUCCESSFULLY
FCN=3886.26 FROM HESSE STATUS=OK 10 CALLS 41 TOTAL
EDM=2.27764e-05 STRATEGY= 1 ERROR MATRIX ACCURATE
EXT PARAMETER INTERNAL INTERNAL
NO. NAME VALUE ERROR STEP SIZE VALUE
1 a 3.89817e-01 8.14814e-03 1.31669e-04 -2.22191e-01
2 c -9.91750e-01 6.56071e-02 5.16653e-05 -9.93383e-02
ERR DEF= 0.5
EXTERNAL ERROR MATRIX. NDIM= 25 NPAR= 2 ERR DEF=0.5
6.640e-05 -2.186e-04
-2.186e-04 4.304e-03
PARAMETER CORRELATION COEFFICIENTS
NO. GLOBAL 1 2
1 0.40891 1.000 -0.409
2 0.40891 -0.409 1.000
[#1] INFO:Minization -- RooMinimizer::optimizeConst: deactivating const optimization
[#1] INFO:Plotting -- RooTreeData::plotOn: plotting 8176 events out of 10000 total events