Check Purities for Bin Migration

1.Overall purities for each bin...

For all target, all bins(2*12*12*13*14)
Bins with low statistics are excluded.
purity1 : #(bin A-> bin A)/# of recon in a bin A
purity2 : #([bin A-> bin A] or [near bin A(Only "a" variable has one shifted bin) -> bin A])/# of recon in a bin A









2. Single-variable purities... Table

Get "purity.pdf"