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From |
Xixi Lin <winnielxx@gmail.com> |

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

Subject |
Re: st: How to calculate weighted mean |

Date |
Thu, 5 Dec 2013 13:41:28 -0500 |

Thanks, Anthony. And thanks, Nick. That solves my problem! Best, Xixi Lin On Thu, Dec 5, 2013 at 1:36 PM, Thomas, Anthony <anthony_h_thomas@brown.edu> wrote: > Yep, egen can have multiple variables in the "by" option. They should > be separated with a space though (not a comma as in the example > above). Also options are separated by spaces as well, not commas. > > Anthony > > On Thu, Dec 5, 2013 at 1:31 PM, Xixi Lin <winnielxx@gmail.com> wrote: >> Hi Nick, >> >> Thanks for pointing this out. Btw, is it possible for egen to both run >> by country and by period? My code seems to be not working that way. >> >> Best, >> Xixi Lin >> >> On Thu, Dec 5, 2013 at 1:12 PM, Nick Cox <njcoxstata@gmail.com> wrote: >>> That is a user-written program from SSC. You need to install it using >>> >>> . ssc inst _gwtmean >>> >>> >>> Nick >>> njcoxstata@gmail.com >>> >>> >>> On 5 December 2013 18:07, Xixi Lin <winnielxx@gmail.com> wrote: >>>> Hi, >>>> >>>> I am trying to calculate weighted average return by country and by >>>> period. Here is my code: >>>> egen capweight_return = wtmean(Return_lead1), weight(Market_Cap), >>>> by(Country, Period) >>>> >>>> But the stata says "unknown egen function wtmean()", does anyone knows >>>> how to fix that? >>>> >>>> Thanks. >>>> >>>> Best, >>>> Xixi Lin >>>> * >>>> * 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/ >>> * >>> * 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/ >> * >> * 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/ > * > * 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/ * * 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/

**Follow-Ups**:**Re: st: How to calculate weighted mean***From:*Nick Cox <njcoxstata@gmail.com>

**References**:**st: How to calculate weighted mean***From:*Xixi Lin <winnielxx@gmail.com>

**Re: st: How to calculate weighted mean***From:*Nick Cox <njcoxstata@gmail.com>

**Re: st: How to calculate weighted mean***From:*Xixi Lin <winnielxx@gmail.com>

**Re: st: How to calculate weighted mean***From:*"Thomas, Anthony" <anthony_h_thomas@brown.edu>

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