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Re: st: Average Multiple Records


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Average Multiple Records
Date   Mon, 25 Apr 2011 15:01:23 +0100

Check out -egen-'s -mean()- function in conjuction with -by:-.

Nick

On Mon, Apr 25, 2011 at 2:30 PM, William Buchanan
<william@williambuchanan.net> wrote:

> You can probably use - collapse - by student ID to get this.

Dennis Kramer

> I am trying to trying to calculate GPA for each student in a given
> year and I have course grade information in the following form:
>
> Student 1 -- Course 1 -- Grade
> Student 1 -- Course 2 -- Grade
> Student 1 -- Course 3 -- Grade
> Student 2 -- Course 1 -- Grade
> Student 2 -- Course 2 -- Grade
> Student 2 -- Course 3 -- Grade     etc....
>
> I know I need to generate a GPA variable by converting the Grade into
> a GPA format; however, I am not sure how I could generate an overall
> GPS variable for each unique student that takes into account the sum
> of the newly created GPA variables and divides it by the number of
> courses an individual took in that given year.

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