handles error when subsetting cols in phenotype group, but not in study
handles error when subsetting cols in phenotype group, but not in study

NCBI-Hackathons/Network_Stats_Acc_Interop,NCBI-Hackathons/Network_Stats_Acc_Interop,NCBI-Hackathons/Network_Stats_Acc_Interop,NCBI-Hackathons/Network_Stats_Acc_Interop