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From |
Tirthankar Chakravarty <tirthankar.chakravarty@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: mata's st_data |

Date |
Fri, 10 Sep 2010 12:41:20 -0700 |

Joe, I had to update my neglected copy of Stata 10.1 for this one, and while the help file for -st_macroexpand()- hasn't changed between Stata 10.1 and Stata 11.1, the code I sent you works in the latter, but not in the former. Turns out that in Stata 11, you don't need -st_macroexpand()- at all. The code: ******************************************* clear* set obs 10 foreach x of newlist a b c d { g var_`x' = runiform() } li mata st_data(.,"var_*",.) end ******************************************* is smart enough to do what you want it to do. The -st_macroexpand()- was gratuitous in the code I sent you. For Stata 10.1, then you can try this clumsy workaround by putting the variables you want into locals beforehand: ******************************************* clear* set obs 10 foreach x of newlist a b c d { g var_`x' = runiform() } li unab varnames: var_* mata st_data(., tokens(st_local("varnames")),.) end ******************************************* There has to be a better solution for Stata 10 - I can't think of it right now. T 2010/9/10 joe j <joe.stata@gmail.com>: > Many thanks, Tirthankar. But has this code worked for you? I am > getting an error: > var_* invalid name > > I am using Stata SE versin 10.1 > > On Fri, Sep 10, 2010 at 3:59 PM, Tirthankar Chakravarty > <tirthankar.chakravarty@gmail.com> wrote: >> Use -st_macroexpand()-: >> ******************************************* >> clear* >> set obs 10 >> foreach x of newlist a b c d { >> g var_`x' = runiform() >> } >> li >> mata >> st_data(.,st_macroexpand("var_*"),.) >> end >> ******************************************* >> >> T >> >> On Fri, Sep 10, 2010 at 6:47 AM, joe j <joe.stata@gmail.com> wrote: >>> I was wondering if there is a way to use wildcard for variable names >>> in mata's "st_data" function. I have a large number of variables, like >>> US_ctry, UK_ctry, etc, all of which could be defined in Stata as >>> "*ctry". >>> >>> But when I try the following in mata: >>> A = st_data(.,("*ctry")). >>> >>> I get the warning: >>> >>> *ctry invalid name >>> >>> The (tedious) alternative is: A = st_data(.,("US_ctry", "UK_ctry") >>> >>> Any suggestion would be appreciated, because the number of variables >>> are too many. >>> >>> Joe >>> >>> * >>> * For searches and help try: >>> * http://www.stata.com/help.cgi?search >>> * http://www.stata.com/support/statalist/faq >>> * http://www.ats.ucla.edu/stat/stata/ >>> >> >> >> >> -- >> To every ω-consistent recursive class κ of formulae there correspond >> recursive class signs r, such that neither v Gen r nor Neg(v Gen r) >> belongs to Flg(κ) (where v is the free variable of r). >> >> * >> * For searches and help try: >> * http://www.stata.com/help.cgi?search >> * http://www.stata.com/support/statalist/faq >> * http://www.ats.ucla.edu/stat/stata/ >> > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ > -- To every ω-consistent recursive class κ of formulae there correspond recursive class signs r, such that neither v Gen r nor Neg(v Gen r) belongs to Flg(κ) (where v is the free variable of r). * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: mata's st_data***From:*joe j <joe.stata@gmail.com>

**References**:**st: mata's st_data***From:*joe j <joe.stata@gmail.com>

**Re: st: mata's st_data***From:*Tirthankar Chakravarty <tirthankar.chakravarty@gmail.com>

**Re: st: mata's st_data***From:*joe j <joe.stata@gmail.com>

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