Displaying 1 result from an estimated 1 matches for "mutant_comb".
2012 Apr 23
3
Selecting columns whose names contain "mutated" except when they also contain "non" or "un"
Hello All,
Started out awhile ago trying to select columns in a dataframe whose names contain some variation of the word "mutant" using code like:
names(KRASyn)[grep("muta", names(KRASyn))]
The idea then would be to add together the various columns using code like:
KRASyn$Mutant_comb <- rowSums(KRASyn[grep("muta", names(KRASyn))])
What I discovered though, is that this selects columns like "nonmutated" and "unmutated" as well as columns like "mutated", "mutation", and "mutational".
So I'd like to know how to s...