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From |
"Paolo Naticchioni" <paonat.stata@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
st: computing means and quantiles for groups using weights |

Date |
Mon, 16 Jul 2007 12:22:26 +0200 |

dear all, my question s the following. I want to create a new variable including the means for some groups (strata) of the population. For instance, assume my strata are year, gender, education. Using egen I can compute the average of some outcome variable, for instance wage, using the following: bysort year gender education: egen average=mean(wage) However, using egen I cannot use any types of weights. I would like to use weights (weights with average 1). Do you know how can I introduce weights in a easy way? Probably it is very easy, but I do not know the command. I would like also to compute some quantile of the distribution, like the 10th quantile, the median, the 90th percentile, etc. Also in this case, I can use egen bysort year gender education: egen p90=pctile(wage), p(90) However, also in this case it is not possible to use weights, the consider the weighted distribution. Someone knows how to do all that? thanks Paolo PS I have also used collapse, but also in this case it is not possible to use weights for means or for quantiles * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

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