[R] extract and re-arrange components of data frame

S Ellison S@E|||@on @end|ng |rom LGCGroup@com
Tue Jun 12 17:13:01 CEST 2018

> #I need to get this final result
> r<-data.frame(i=c(1,1,1,2,2,3), s=c(97, 98, 99, 103, 105, 118))

Nothing magic to suggest.

But maybe:

list.s <- strsplit(d$s,",")
r <- data.frame(i=rep(d$i, times=sapply(list.s, length)), s=unlist(list.s), stringsAsFactors=FALSE )

S Ellison

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