Hi Lena,
Try
egen gh_raw = rowtotal(gh1 gh2 gh3 gh4 gh5)
Simon
Lena Cuisina wrote:
> I have a very basic question. Iâ??m adding up responses to 5 questions. Some of the questions have missing data. This is what I donâ??t want to do, because I don't want to lose the 23 observations:
>
> . gen gh_raw = gh1 + gh2 + gh3 + gh4 + gh5
> (23 missing values generated)
>
> . gen gh_avg = gh_raw/5
> (23 missing values generated)
>
> I want to use whatever data Iâ??ve got from the other questions in calculating the sum -- ie, Iâ??d like to great the missing as zero, not missing. So I tried the sum function:
>
> gen gh_raw1 = sum(gh1+gh2+gh3+gh4+gh5)
>
> gen gh_avg1 = gh_raw1/5
>
> All 5 questions have the same 5-category ordinal response scale thatâ??s coded 0, 25, 50, 75, 100. So the average of the 5 responses are within the 0 to 100 range. Unfortunately, the command I've written with the sum function gives me a set of average scores with a maximum of 18,800. Itâ??s crazy.
>
> I have no idea what Iâ??m doing wrong, because Iâ??m pretty new to Stata. Sorry for such a basic question.
>
> Lena
>
>
>
>
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
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