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Re: st: data management - days into weeks
From
Phil Clayton <[email protected]>
To
[email protected]
Subject
Re: st: data management - days into weeks
Date
Wed, 7 Mar 2012 10:57:17 +1100
How about:
gen week=trunc((day-1)/7) + 1
Phil
On 07/03/2012, at 10:48 AM, Maria Cecilia Vieira da Silva wrote:
> Hello all,
> In my data set I have "day", a variable that indicates the day of treatment of a patient. Example:
>
> Patient=1
>
> Day=5
> Outcome x1=6
> Outcome x2=0.5
>
> Day=10
> Outcome x1=5
> Outcome x2=0.6
>
> I would like to create a variable "week", where week=1 if day<=7; week=2 if 7<day<=14 and so on.
> Any suggestion about how to create "week" without my having to write the conditions for each week of the year up to week 52?
> The date functions do not help me because my data set does not contain 'dates'.
>
> Thanks,
> Maria Cecilia
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