st: creating a matrix of summary stats

[Scott Cunningham <scunning@gmail.com>]

I am using data on individuals from the National Longitudinal Survey  
of Youth 1997, and would like to create a matrix of summary stats  
wherein the column identifies the year of the survey, and the rows  
are:  1) the variable's mean; 2) the variable's standard deviation;  
3) the number of observations.  I believe that I can use -reshape- in  
combination with -egen- to create means for each of these, followed  
by dropping all duplications of the mean so that I have a single mean  
for each variable by year.  I could also, in principle, use this same  
thing to calculate the std deviation and the number of observations.   
But I was wondering if there existed a more efficient way of doing  
this in people's minds?  For instance, the matrix (or ultiamtely, a  
TeX file, as that's the final product I am making) would look like this:

	1997	1998	...	2002
vbl1	4.5		5.5			6.5
	(2.0)	(1.3)		(2.3)
	200		400			600
vbl2	...

And so on.

scott
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