change trimmer to pandas/numpy based vector logical indexing

Townsend-Lab-Yale / massprf-pipeline

pipeline for genome wide MASSPRF analysis

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change trimmer to pandas/numpy based vector logical indexing #17

Closed stanleyjs closed 7 years ago

stanleyjs commented 7 years ago

currently, trimmer loops over an n x m alignment m*2 times, accessing each element nxm. if this was done using a vector index, then the trimming and assignment could be done dynamically