UNIQUESTRATA: Stata module to abort the program if the specified variables don't collectively account for every observation
uniquestrata takes a varlist of strata variables and calculates whether all combinations of the levels of those strata variables add up to the total number of observations--no more, no less. If not, the program returns error 9 (assertion is false).
|Requires:||Stata version 9 and distinct package|
|Date of creation:||10 Feb 2008|
|Note:||This module should be installed from within Stata by typing "ssc install uniquestrata". Windows users should not attempt to download these files with a web browser.|
|Contact details of provider:|| Postal: Boston College, 140 Commonwealth Avenue, Chestnut Hill MA 02467 USA|
Web page: http://fmwww.bc.edu/EC/
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|Order Information:||Web: http://repec.org/docs/ssc.php|
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