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Re: st: summarizing data across rows (e.g as in time use files)
From
[email protected]
To
"[email protected]" <[email protected]>
Subject
Re: st: summarizing data across rows (e.g as in time use files)
Date
Sat, 9 Mar 2013 08:36:36 +0000
-help collapse-
collapse (sum) duration, by(person code)
or something similar.
Sent from my iPad
On 9 Mar 2013, at 03:54, Adeel Yousaf <[email protected]> wrote:
> Hi,
>
> I have episode file of time use showing population's activity code and
> duration. In this data, an activity longer than 30 mins (e.g. sleep)
> has multiple episodes, that creates unrealistically larger number of
> activities in one day. I want to keep one record per activity if the
> code is repeated in next row and generate combine duration for that
> activity. for example, code '11' has been repeated in three
> episodes/rows, but it should be in one row with duration=90, how can i
> do that!
>
> person starttime episode duration code
> 1 11/25/2007 4:00 1 30 11
> 1 11/25/2007 4:30 2 30 11
> 1 11/25/2007 5:00 3 30 11
> 1 11/25/2007 5:30 4 15 30
> 1 11/25/2007 5:45 5 15 60
> 1 11/25/2007 6:00 6 30 60
> 1 11/25/2007 6:30 7 30 60
> 1 11/25/2007 7:00 8 15 413
> 1 11/25/2007 7:15 9 15 412
> 1 11/25/2007 7:30 10 30 412
> 1 11/25/2007 8:00 11 15 412
> 1 11/25/2007 8:15 12 15 20
> 1 11/25/2007 8:30 13 15 413
> 1 11/25/2007 8:45 14 15 413
> 1 11/25/2007 9:00 15 30 413
>
>
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