Stata tip 109: How to combine variables with missing values


Issue Date:
2012
Publication Type:
Journal Article
DOI and Other Identifiers:
dm0063 (Other)
PURL Identifier:
http://purl.umn.edu/208017
Published in:
Stata Journal, Volume 12, Number 2
Page range:
345-346
Total Pages:
4

Record appears in:



 Record created 2017-04-01, last modified 2017-08-28

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