The following plots were made using RecoEgamma/Examples/plugins/PixelMatchGsfElectronAnalyzer, using RecoEgamma/Examples/test/read_gsfElectrons.cfg, using SingleElectronPt10 RelVal samples as input.
The script used to make the plots is here.
In all plots below, 170pre12modsUrsula is in blue, 170pre12modsUrsulaGroupedCkfBuilder in red.
