Re: st: If bootstrap can't support "bysort", then how?

[Nick Cox <njcoxstata@gmail.com>]

This question has already been answered very recently.

See http://www.stata.com/statalist/archive/2012-04/msg01280.html and replies

See http://www.stata.com/statalist/archive/2012-05/msg00036.html in
reply to your previous.

Nick

On Tue, May 1, 2012 at 8:19 PM, econqian222
<maguixianstatalist@gmail.com> wrote:

>      I want to run a bootstrap by product(1,2,3,...) , the command is
> written as:
>      bysort product: bootstrap rmse=e(rmse), reps(100) seed(12345): regress
> value quantity index
>      unfortunately, the program can't run successfully.
>
> the format of the data goes as following
> product   quantity        value       index
>> 1                5.605  .064            7
>> 1              27.3518  3.96556      3
>> 1             2.76541   .597           6
>> 2             727.906   77.711       12
>> 2             396.779   82.386       18
>> 3             35.8568   .783239      4
>> 3             19.6898   .128481      3
>

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