[R] lapply where each list object has multiple parts

[Chunhao Tu]

Hi Eric,
> data<-list(x1 <- c(0,1,2,3),x2 <- c(7,8),x3 <- c(2,6,6,8), x4 <- c(4,8))
> lapply(X=data, mean)
[[1]]
[1] 1.5

[[2]]
[1] 7.5

[[3]]
[1] 5.5

[[4]]
[1] 6

Hope it helps
Chunhao





eric lee-8 wrote:
> 
> Hi.  I have a list where each object in the list has multiple parts.  I'd
> like to take the mean of just one part of each object.  Is it possible to
> do
> this with lapply?  If not, can you recommend another function?  Thanks.
> 
> eric
> 
>> x1 <- c(0,1,2,3)
>> x2 <- c(7,8)
>> x3 <- c(2,6,6,8)
>> x4 <- c(4,8)
>>
>> Lst1 <- list(label1 = x1,label2 = x2)
>> Lst2 <- list(label1 = x3, label2 = x4)
>>
>> BigList <- list(Lst1, Lst2)
>>
>> lapply(BigList$label1, mean)
> list()
>>
> 
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> 
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