Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down at the end of May, and its replacement, statalist.org is already up and running.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: For Loop Using Variable Labels


From   Austin Nichols <austinnichols@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: For Loop Using Variable Labels
Date   Mon, 24 Jun 2013 18:50:42 -0400

Erika Kociolek <ekociole@gmail.com>:
You can exploit -label save- to write to a file and read the contents; see e.g.
http://fmwww.bc.edu/repec/bocode/f//fre.ado

On Mon, Jun 24, 2013 at 6:40 PM, Erika Kociolek <ekociole@gmail.com> wrote:
> Let's say I wanted to write to a file the number of responses to a
> variety of survey questions with different categories. I'll use the
> voter dataset to illustrate what I want to do.
>
> **********************
> *Stata Code*
>
> cd C:/PATH/Data/
> sysuse voter, clear
> keep candidat-inc
> drop if inc == 1  /*Drop if inc variable is equal to 1 (< $15k)*/
>
> file open mefile using ../Data/Test.txt, write replace
> file write mefile "Variable" _tab "Value" _tab "Number" _tab "Total" _tab _n
>
> foreach v of varlist candidat-inc{ /*For each variable in the dataset:*/
>    levelsof `v', local(temp) /*Store variable values in a local macros.*/
>
>    foreach t of local temp{ /*For each value of the variable:*/
>       file write mefile "`v'" _tab /*Write variable name to file,*/
>       file write mefile "`t'" _tab /*Write question response to file,*/
>       summarize `v' if `v' == `t'
>       file write mefile "`r(N)'" _tab /*Write value to file,*/
>    }
>    summarize `v'
>    file write mefile "`r(N)'" _tab _n /*Write total number of
> responses to the question (variable) to file.*/
> }
>
> file close mefile
> **********************
>
> So I dropped the lowest income category from the dataset (let's assume
> there were no responses in that particular category). I'd like to use
> the "levelsof" command on the variable label instead of the variable
> values, since the label for the lowest category will always be in the
> dataset, but there may not be a variable value for each response
> category. How would one do that?
>
> Thanks!
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/faqs/resources/statalist-faq/
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index