Re: [R] indexing in data frames

2012-08-09 Thread jimi adams
eers, jimi On 09Aug, 2012, at 17:39 , arun wrote: > HI, > > In the reply I sent, I forgot to add, > > anew<-list()#before, > for(i in 1:length(b1)){ > anew[[i]]<-list() > anew[[i]]<-b1[[i]]-c[[i]] > } > > A.K. > > - Original Message

[R] indexing in data frames

2012-08-09 Thread jimi adams
mple, if I wanted to subtract each element in "c" from the scalar in "b". For example, if i had > a$b [1] 1988 [2] 1989 … & > a$c [[1]] [1] 1985 1982 1984 [[2]] [1] 1988 1980 … I'm looking for a result of: a$new [[1]] [1] 3 6 4 [[2]] [1] 1 9 … I've t

[R] year extraction over a list

2012-07-31 Thread jimi adams
0 [3] 1999 … For some reason i'm not figuring out how to properly get lapply and strsplit (or other alternatives) to play nicely together. Any help greatly appreciated. thanks, jimi jimi adams Assistant Professor Department of Sociology American University e: jad...@american.edu w: jim