Thanks for the swift replies.
I have found this to work for my purpose:
data <- subset(X, !duplicated(X[,3])
--
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See:
?duplicated
On Tue, Jan 19, 2010 at 9:47 PM, Tuatara wrote:
>
> Hi everybody,
>
> I would like to delete rows based on duplicate entries in column 3 in the
> data matrix X (size 6 x 57). I have tried the unique(x) command as
>
>> data <- X[unique(X[,3]),]
>
> however, for some reason th
Use duplicated indeed of unique.
On Wed, Jan 20, 2010 at 12:47 AM, Tuatara wrote:
>
> Hi everybody,
>
> I would like to delete rows based on duplicate entries in column 3 in the
> data matrix X (size 6 x 57). I have tried the unique(x) command as
>
>> data <- X[unique(X[,3]),]
>
> however, fo
Hi everybody,
I would like to delete rows based on duplicate entries in column 3 in the
data matrix X (size 6 x 57). I have tried the unique(x) command as
> data <- X[unique(X[,3]),]
however, for some reason the command introduces a lot of NA's into the
dataset.
So, now I'm looking for a
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