> -Original Message-
> From: r-help-boun...@r-project.org
> [mailto:r-help-boun...@r-project.org] On Behalf Of peter dalgaard
> Sent: Wednesday, October 06, 2010 7:22 AM
> To: Henrique Dallazuanna
> Cc: r-help@r-project.org; Andre Easom
> Subject: Re: [R] Adding a t
Thanks, perfect!
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On Oct 6, 2010, at 16:11 , Henrique Dallazuanna wrote:
> Try this:
>
> with(foo, ave(Value, Label, FUN = seq)) will generate the time variable
Make that FUN=seq_along to avoid trouble with groups of size 1.
--
Peter Dalgaard
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3,
Try this:
with(foo, ave(Value, Label, FUN = seq)) will generate the time variable
xtabs(Value ~ ave(Value, Label, FUN = seq) + Label, foo)
On Wed, Oct 6, 2010 at 11:07 AM, Andre Easom wrote:
> Hi,
>
> I want to use reshape to convert from a skinny to a wide data format. My
> data doesn't have
Hi,
I want to use reshape to convert from a skinny to a wide data format. My data
doesn't have a time variable attached - I have a series of ordered observations
for each subject, and it is this ordering that I am interested in (my objective
is to model the most recent observation based on the
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