Hello,
On Tue, 25 Jan 2005 22:44:16 +0900, 김병모(Byungmo Kim)
<[email protected]> wrote:
> Dear All
>
> I'd like to make vars of standard deviation of sequential 10 variables.
> new variables
> -----------
> standard deviation of 10 variables ( for v1 to v10 ) --> std1
> standard deviation of 10 variables ( for v2 to v11 ) --> std2
> standard deviation of 10 variables ( for v3 to v12 ) --> std3
> .
> .
> .
> .
> standard deviation of 10 variables ( for v11 to v20 ) --> std11
this can be done using "row standard deviations" of the -egen- function.
egen std1=rsd(v1-v10)
egen std2=rsd(v2-v11)
egen std3=rsd(v3-v12)
Just make sure your variables v1-v12 are in order.
Cheers,
Dan
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/