CF3: Stata module to compare two datasets
cf3 matches observations by a record id variable and lists the observations where differences exist. It compares variables of the dataset in memory (the 'master' data) to the corresponding variables in a file (the 'using' data). Only the variable values are compared. cf3 differs from cf in that: 1) the id() option, which names the common record id variable in each file, is required; 2) verbose is presumed but option noverbose will suppress some output; and 3) it will not stop if there is a differing number of observations in the two files. Generally, the id variable values should be unique within each file. If the id values are not unique then proper matching may not occur; cf3 will warn the user but will continue. Incorrectly-matched observations, where the variables being compared also differ, and unmatched observations will be reported as differences.
|Requires:||Stata version 6.0|
|Date of creation:||06 Apr 2001|
|Date of revision:|
|Note:||This module may be installed from within Stata by typing "ssc install cf3". Windows users should not attempt to download these files with a web browser.|
|Contact details of provider:|| Postal: |
Web page: http://fmwww.bc.edu/EC/
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|Order Information:||Web: http://repec.org/docs/ssc.php|
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