Also, on -binsm-: the latest public domain version is
1.1.0 for Stata 4 in STB-37.
I didn't know anyone ever used it.
I will see if an update can be done quickly.
Nick
[email protected]
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Nick Cox
> Sent: 13 February 2006 15:01
> To: [email protected]
> Subject: st: RE: RE: summing across bins
>
>
> In addition to other comments, see
>
> FAQ . . Calculating variables containing weighted group
> summary statistics
> . . . . . . . . . . . . . . . . . . . . . N. J. Cox
> and S. P. Jenkins
> 1/03 I want to calculate a variable containing weighted
> group summary statistics, but I do not want to
> collapse the data and egen does not support weights.
> How can I do this?
> http://www.stata.com/support/faqs/data/weighted.html
>
> Nick
> [email protected]
>
> David Harrison
>
> > It is fairly simple to write a new subcommand for -egen- to do a
> > weighted mean...
> >
> > *! DAH 1.0.0 13feb2006
> > program _gwmean
> > version 8
> > gettoken type 0 : 0
> > gettoken vn 0 : 0
> > gettoken eqs 0 : 0
> > syntax varname(numeric) [if] [in] , Wvar(varname) [
> BY(varlist) ]
> > quietly {
> > marksample touse
> > bysort `touse' `by': gen `type' `vn' =
> > sum(`wvar'*`varlist')/sum(`wvar'*!missing(`varlist')) if `touse'==1
> > by `touse' `by': replace `vn' = `vn'[_N]
> > }
> > end
> >
> > If you save the above as _gwmean.ado (in your ado path),
> then you will
> > have access to a new egen subcommand -wmean()-. The
> compulsory option
> > -wvar()- specifies the variable of weights.
>
> Lenna Nepomnyaschy
>
> > I just downloaded the ado file binsm, which allows you to graph mean
> > values (or other values) of yvar on bins of xvar. But, I
> need to use
> > weights. Does anyone have another way to do this that allow weights?
> > the binsm command does not.
> >
> > Alternatively, does anyone know how to create a variable
> with weighted
> > means across various groups. the command
> >
> > egen newvar=mean(oldvar), by(group)
> > does not allow weights.
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