[R] Comparing vectors from lists

[jim holtman]

something like this should work (not exactly sure what you mean by 'compare')

result <- lapply(List1, function(.lst1){
    lapply(List2, function(.lst2, .lst1){
        all(.lst2 %in% .lst1)
    }, .lst1 = .lst1)
})



On Tue, Sep 29, 2009 at 10:34 AM, Christina Rodemeyer
<christinarodemeyer at yahoo.de> wrote:
> Hi guys,
>
> I still did not solve my problem properly! I have to compare the values of two lists of 250 numbers as a result of using the ?by function!
> List1 of 250
>  $ 0   : num [1:28] 22 11 31...
>  $ 1   : num [1:15] 12 14 9 ...
> ..
> ..
> ..
>  - attr(*, "dim")= int 250
>  - attr(*, "dimnames")=List of 1
>
> List2 of 250
>  $ 0   : num [1:24] 20 12 22...
>  $ 1   : num [1:17] 11 12 19 ...
> ..
> ..
> ..
>  - attr(*, "dim")= int 250
>  - attr(*, "dimnames")=List of 1
>
> So I want to compare each vector of 250 from list1 with all other 250 vectors in list2! Is this doable (list1$0 with list2$0, list2$1 ASO)?
>
> Thank you in advance,
> Christina
>
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-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?