[R] Assigning a vector to every element of a list.

Peter Ehlers ehlers at ucalgary.ca
Tue Jul 3 07:49:00 CEST 2012


On 2012-07-02 15:16, Spencer Maynes wrote:
> I have a vector d of unknown length, and a list b of unknown length. I
> would like to replace every element of b with d. Simply writing b<-d does
> not work as R tries to fit every element of d to a different element of d,
> and b<-rep(d,length(b)) does not work either as it makes a list of
> length length(d)*length(b) not a list of length(b). I know how to do this
> with a for loop, but I feel that there has to be a more efficient way. Any
> suggestions?

lapply( b, function(x) x[] <- d )

Peter Ehlers



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