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From |
Eric Booth <ebooth@ppri.tamu.edu> |

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

Subject |
Re: st: Subset of data into new file |

Date |
Fri, 20 Aug 2010 17:13:22 +0000 |

<> It's not clear from your example which dataset your "repeats" are in, but you can use -duplicates drop- to remove them before the merge , e.g. ****************! clear inp Indiv str5(Group) Size GroupAvgSize 1 a 2 4 2 a 4 4 3 a 6 4 1 b 3 3 2 b 4 3 3 b 2 3 end duplicates drop Indiv Group, force save using, replace clear inp Indiv str5(Group) 1 a 2 a 3 a 4 a 5 a 1 b 2 b 3 b 4 b 5 b end duplicates drop Indiv Group, force merge 1:1 Indiv Group using using.dta ta _m ****************! ~ Eric __ Eric A. Booth Public Policy Research Institute Texas A&M University ebooth@ppri.tamu.edu Office: +979.845.6754 On Aug 20, 2010, at 12:00 PM, Steven Archambault wrote: > Hi all, > > I have data about groups, from which I am calculating means for the groups. > > Indiv Group Size GroupAvgSize > 1 a 2 4 > 2 a 4 4 > 3 a 6 4 > 1 b 3 3 > 2 b 4 3 > 3 b 2 3 > > > Then, I want to merge the group avg size with a larger set of data > containing the same groups, but a larger set of individuals (where > size is not recorded). > > Indv Group > 1 a > 2 a > 3 a > 4 a > 5 a > 1 b > 2 b > 3 b > 4 b > 5 b > > Is there a way to do this without exporting the data with GroupAvgSize > to a spreadsheet, where I could crop out the repeats? > > Thanks! > > -Steve > * > * 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/

**Follow-Ups**:**Re: st: Subset of data into new file***From:*Steven Archambault <archstevej@gmail.com>

**References**:**st: Subset of data into new file***From:*Steven Archambault <archstevej@gmail.com>

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