[R] How do I construct a one matrix from another? (newbie)

[Dylan Beaudette]

Hi,
some ideas:

?split
?by

library(plyr)
?ddply

Cheers,
Dylan


On Sun, Jun 7, 2009 at 10:26 AM, jonathanbriggs<jonathanbriggs at mac.com> wrote:
>
> Apologies if this is an obvious question but I am teaching myself R and the
> occasional push in the right direction is much appreciated?
>
> I have a data.frame containing data that looks like this
>
> CustID itemID
> 1        a
> 1        b
> 2        c
> 3        a
> 3        c
>
> I want to assemble the vector of all the items bought by a particular
> customer and can't quite see how to do it.
>
> What is the best way to represent the answers for a single customer and by
> all customers?
>
> Thanks.
> --
> View this message in context: http://www.nabble.com/How-do-I-construct-a-one-matrix-from-another--%28newbie%29-tp23913248p23913248.html
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>
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