Re: [R] sum rows in a data.frame...solution

On Apr 15, 2010, at 5:33 AM, arnaud Gaboury wrote: Found this solution. It is maybe not the most elegant way, but it does the job. a=as.data.frame(substr(lme$DESCRIPTION,1,14)) colnames(a)=c("DESCRIPTION") lme=as.data.frame(c(a,lme[,2:3])) lme DESCRIPTION CLOSING.PRICE POSITION

Re: [R] sum rows in a data.frame

On Apr 15, 2010, at 3:50 AM, arnaud Gaboury wrote: Dear group, Here is a data.frame, "lme": lme DESCRIPTION CLOSING.PRICE POSITION 4PRIMARY NICKEL USD 04/06/1025,755.71000 5PRIMARY NICKEL USD 10/06/1025,760.86000 6 PRM HGH GD