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From |
Nick Cox <n.j.cox@durham.ac.uk> |

To |
"'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu> |

Subject |
st: RE: loop in stata |

Date |
Thu, 11 Aug 2011 20:18:21 +0100 |

Various ways to do it, none of them exactly beautiful: tokenize "a b c m" local j = 1 foreach v in z y x n { tab `v' ``j'' local ++j } Or more symmetrically: local J : word count "a b c m" forval j = 1/`J' { local x : word `j' of "a b c m" local y : word `j' of "z y x n" tab `x' `y' } See also SJ-3-2 pr0009 . . . . . . . . . . . . . Speaking Stata: Problems with lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. J. Cox Q2/03 SJ 3(2):185--202 (no commands) discusses ways of working through lists held in macros or (directly) http://www.stata-journal.com/sjpdf.html?articlenum=pr0009 for a much longer discussion. Nick n.j.cox@durham.ac.uk fernando andrade I am trying to make a simple loop in stata but i cannot figure out how to. i have two sets of variables let's say: set1: a b c ...m set2: z y x...n i want to make a loop to run the tabs tab a z tab b y tab c x . . . tab m n i tried foreach X in a b c... m{ foreach Y in z y x... n{ tab `X' `Y',m } } the loop gave me all the posible combinatios between the two sets of variables. Is there a way to make a loop that tabs only a with z, b with y and so on * * 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: RE: loop in stata***From:*fernando andrade <fandrade.stat@gmail.com>

**References**:**st: loop in stata***From:*fernando andrade <fandrade.stat@gmail.com>

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