Re: st: -return list- after -codebook-

[Richard Goldstein <richgold@ix.netcom.com>]

-codebook- does not save that information; it appears, in fact, to only 
save info about problem variables

however, -unique- does; this program is available via -ssc-

Rich

Luhang Wang wrote:

> Dear all,
>
> Does anyone know why I get nothing with -return list- after
> -codebook-? I did check the ado file of -codebook- and it is an rclass
> command. It also seems a series of r() are well defined in the
> program.
>
> My purpose is to get the number of unique values of a variable stored
> in a scalar or macro. Any suggestion of achieving this, maybe in other
> ways, will be appreciated. Thanks a lot.
>
> Best,
> Luhang
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