I've found the solution to my problem (see below), although it looks
somewhat ugly:
sim <- c('simMeans','simVars','simWeights')
indexTable <- table(modelIndex)
for (i in sim) {
assign(tmp <- paste(i,'By',sep=''),split(get(i),
modelIndex))
lapply(seq(along=indexTable), function(j)
eval(parse(text=paste('dim(',tmp,'[[',j,']])','<<-','c(indexTable[',j,'],K)'))))
}
> Date: Fri, 17 Oct 2003 11:50:29 -0500 (CDT)
> From: Giovanni Petris <GPetris at uark.edu>
> Sender: r-help-bounces at stat.math.ethz.ch
> Precedence: list
>
>
> I am creating lists of vectors withing a loop. I also would like to
> change the dim attribute to the vectors in order to make them
> matrices.
>
> I have tried the following, but it doesn't work...
>
> > sim <- c('simMeans','simVars','simWeights')
> > indexTable <- table(modelIndex)
> > for (i in sim) {
> + assign(tmp <- paste(i,'By',sep=''),split(get(i),
modelIndex))
> + lapply(seq(along=indexTable),function(j)
attr(get(tmp)[[j]],'dim') <<- c(indexTable[j],K))
> + }
> Error in FUN(X[[1]], ...) : couldn't find function "get<-"
> In addition: Warning message:
> argument lengths differ in: split(x, f)
>
> Any suggestions will be appreciated.
> Thanks
>
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