[R] extracting submatrix from a bigger one

David Winsemius dwinsemius at comcast.net
Mon Jun 24 19:30:43 CEST 2013

Sorry for the blank message. The default behavior of the Mac Mail.app spell checker has me confused.

On Jun 24, 2013, at 10:03 AM, matteo wrote:

> Hi,
>> result <- lapply(unique(dataset$ID), function(uid) dataset[dataset$ID == uid, ])
> Ok, I have the element result as a list
>> names(result) <- unique(dataset$ID)
> Nothing happens. I don't have any submatrix...

What were you expecting to happen? You just assigned names to the result. You should be able to execute:





David Winsemius
Alameda, CA, USA

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