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From |
"Kate Kelsey" <kkelsey@berkeley.edu> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: error using survwgt |

Date |
Wed, 8 Jul 2009 15:57:02 -0700 (PDT) |

That worked. Thank you, Kate Kelsey > The error message means exactly what it says and has nothing to do > with missing values. Here's an example with two control variables > (gender, agegp) and control total variables. > > gender gender_tot > 1 (male) 1,822 > 2 (female) 3000 > > agegp agegp_tot > 1 (<=20) 1000 > 2 (21-40) 2000 > 3 (41+) 1644 > > If you then run > > survwgt rake old_wt, /// > by(gender agegp) totvars(gender_tot agegp_tot) /// > gen(new_wt) > > you will get exactly the error message that you quote, because the > population total summing over genders is 4822, but summing over age > groups is 4644. > This usually happens if control totals come from different sources. > Whatever the cause, you will have to adjust the totals so that they > sum exactly to the same value for each control variable ("dimension"). > For example, you could multiply the gender_tot values by 4644/4822, > round to the nearest 1, then add or subtract to make the gender totals > sum exactly to 4644. > > If you DID have missing values for gender or agegp, you would have to > create new control variables, say xgender xagegp, and the > corresponding tot variables, then impute values where the original > variables are missing. In other words. someone with missing age > would get assigned an xagegp value of 1, 2, or 3. > > -Steve > > On Wed, Jul 8, 2009 at 5:30 PM, Kate Kelsey<kkelsey@berkeley.edu> wrote: > >> I am using STATA 9. >> Here is my code: >> >> . survwgt rake perwt, by(child sex ) totvar(tot_child tot_sex) >> generate(weight3) maxrep(1000) >> >> and here is the error I get: >> >> totals across dimensions 1 and 2 are not equal >> >> Why would I be getting this error? > > -- > Steven Samuels > sjsamuels@gmail.com > 18 Cantine's Island > Saugerties NY 12477 > USA > 845-246-0774 > * > * 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/

**References**:**st: error using survwgt***From:*"Kate Kelsey" <kkelsey@berkeley.edu>

**Re: st: error using survwgt***From:*sjsamuels@gmail.com

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