Re: st: tabulate, summarize() for svy data

[Ricardo Ovaldia <ovaldia@yahoo.com>]

Steve,

Why does your program use e(V_srssub) for the variance, instead of e(V) or e(V_srs).

I cannot find any information either on the help or the manual about e(V_srssub)

Thank you
Ricardo

Ricardo Ovaldia, MS
Statistician 
Oklahoma City, OK


--- On Thu, 3/18/10, Steve Samuels <sjsamuels@gmail.com> wrote:

> From: Steve Samuels <sjsamuels@gmail.com>
> Subject: Re: st: tabulate, summarize() for svy data
> To: statalist@hsphsun2.harvard.edu
> Date: Thursday, March 18, 2010, 3:25 PM
> This code will reproduce all of the
> results of -tabulate, sum- but the
> group labels  and, of course, the min and the max,
> which cannot be
> estimated from survey data.
> 
> Steve
> 
> **************************CODE
> BEGINS**************************
> webuse nhanes2, clear
> svy: mean lead, over(diabetes)
> 
> matrix define m = e(b)  //mean (already shown)
> matrix define V = e(V_srssub) // variances
> matrix define nn = e(_N)   //sample sizes
> for the subpopulations
> local kk = colsof(V)
> forvalues i = 1/`kk'{
> di `i' "  " el(m,1,`i') "  " sqrt(el(V,`i',`i'))
> " "    el(nn,1,`i')
> }
> ***************************CODE
> ENDS***************************
> 
> On Thu, Mar 18, 2010 at 11:11 AM, Ricardo Ovaldia <ovaldia@yahoo.com>
> wrote:
> > Is there a command similar to -tabulate, summarize()-
> for survey data?
> > I could not findit in the help file
> 
> -- 
> Steven Samuels
> sjsamuels@gmail.com
> 18 Cantine's Island
> Saugerties NY 12477
> USA
> 845-246-0774
> *
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> 


      

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