Yes, the code does the job. Thanks, Zhu Wang Rolf Turner wrote: > What about > > > x <- 1:2 > > a <- list(c(4,5),c(8,9,10)) # Which is the way you *should* > # have constructed a! > > ddd <- data.frame(x=x,a=I(unlist(lapply(a,paste,collapse=",")))) > > write.table(ddd,file="ddd.out",quote=FALSE,row.names=FALSE) > > cheers, > > Rolf Turner > [EMAIL PROTECTED] > > Original message: > > >> Dear R helpers, >> >> To illustrate my problem, here is a simplified example. I want to write >> a table to a file similar to: >> x a >> 1 4,5 >> 2 8,9,10 >> >> Note the length of elements of "a" is 2 and 3 respectively. This can be >> created by, for example, >> x <- c(1,2) >> a <- NULL >> a[1] <- list(c(4,5)) >> a[2] <- list(c(8,9,10) >> >> Any suggestions to write such a table to file would be appreciated. >> >> Thanks, >> >> Zhu Wang
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