[R] create a function with "subset" statement
S Ellison
S.Ellison at LGCGroup.com
Thu Jan 29 12:32:22 CET 2015
> -----Original Message-----
> subsets<-list(B="(A[,1] %in% c(1,2) & A[,2] %in% c(1,2)) | (A[,1] %in%
> c(3) & A[,2] %in% c(1)) | (A[,1] %in% c(4) & A[,2] %in% c(1:4))", C="(A[,1] %in%
> c(1:4) & A[,2] %in% c(1,2))", D="(A[,1] %in% c(1,2) & A[,2] %in% c(1:3)) | (A[,1]
> %in% c(3) & A[,2] %in% c(1,2))")
>
> multi_subset<-function(x,sublist) {
> result_list<-list()
> for(sub in 1:length(sublist))
> result_list[[sub]]<-do.call(subset,list(x,subset=eval(parse(text=sublist[[sub]]))))
> names(result_list)<-names(sublist)
> return(result_list)
> }
Or something like
lapply(subsets, function(sub, x) do.call(subset,list(x,subset=eval(parse(text=sublist[[sub]])))), x=x)
?
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