Hi, Getting your e is not a problem:
> a<- list(c(1,3),c(1,2),c(2,3)) > b<-c(10,20,30) > aa<-matrix(unlist(a),nrow=2) > ee<-aa+rbind(b,b) > e<-apply(ee,2,"sum") > e [1] 24 43 65 > But this will not work if different list members have different number of elements. --- Yongwan Chun <[EMAIL PROTECTED]> wrote: > I want to try to get a result of element wise > addition between a > vector and a list. It can be done with "for > statement." In order to > reducing computing time, I have tried to avoid "for > state." If anybody > give me an idea, I would apprecite it much. > > for example, with a & b as below lines, > > a<- list(c(1,3),c(1,2),c(2,3)) > b<-c(10,20,30) > > I would like to have a list (like "d") or a vector > (like "e") as below. > > d<-list(c((1+10),(3+10)),c((1+20),(2+20)),c((2+30),(3+30))) > e<- c((1+10)+(3+10),(1+20)+(2+20),(2+30)+(3+30)) > > Thanks, > > > Yongwan Chun > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, > reproducible code. > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
