Message-ID: <19DF65D9-0726-427C-B843-B67E8650D243@comcast.net>
Date: 2013-06-24T17:28:22Z
From: David Winsemius
Subject: extracting submatrix from a bigger one
In-Reply-To: <51C87BF3.5090806@gmail.com>
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...
>
> Matteo
>
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David Winsemius
Alameda, CA, USA