st: Re: rescaling variables

[Kit Baum <baum@bc.edu>]

ssc install center

bys country: center variable, gen(newvariable) standardize
replace newvariable=0 if newvariable==.

If there is no variance for a particular country, the deviations from  
means are all zero, so
a standardized value of zero is appropriate.

Kit Baum, Boston College Economics
http://ideas.repec.org/e/pba1.html
An Introduction to Modern Econometrics Using Stata:
http://www.stata-press.com/books/imeus.html


On Aug 8, 2006, at 2:33 AM, Suryadipta t wrote:


> Can anyone point me towards the correct command for direct
> conversion of numbers into their standard normals thereby
> circumventing the problem of dividing by zeros? Thanks as
> usual!
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