matplo / pyjetty

some work on jets
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add first draft of correlation coefficient plot #21

Closed jdmulligan closed 4 years ago

jdmulligan commented 4 years ago

@ezradlesser

This adds plot of the correlation coefficients (related to covariance matrix) of the statistical uncertainties.

However at the moment it just plots the correlation of a global bin index, i.e. a global 2D correlation rather than the full 4D correlation chopped up into 2D correlations for each pt bin...needs a little work to figure out how to map the 2D global bin index to the 4D bin index. I didn't see any simple way to get this from RooUnfold...but I didn't dig too deep, maybe you will have better luck :)