On 8/9/05 12:21 PM, "Afshartous, David" <[EMAIL PROTECTED]>
wrote:
>
> Hello all,
>
> X is a list of 20 lists, and each individual list has 65 elements.
>
> Y is a list of 65 elements.
>
> WANT: subtract Y from each of the 20 lists in X.
>
> Here's what I tried and the error messages:
>
>> X - rep(Y, 20)
See ?lapply. Something like:
NewX <- lapply(X,function(tmp) {tmp-Y})
Hope this helps.
Sean
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