HARMBY: Stata module to harmonize values of variables within by-groups

Roger Benedict Newson ()

Statistical Software Components from Boston College Department of Economics

Abstract: harmby ("harmonize within by-groups") checks that each variable in a varlist has no more than one value, other than the standard missing value, in each of the by-groups specified by by(), or in the whole data set, if by() is not specified. A standard missing value is . for a numeric variable, or the empty string "" for a string variable. If this condition is true, then harmby replaces all standard missing values in the by-group (or data set) by the one value that is not standard missing, if such a value exists, and takes no action if all values in a by-group (or data set) are standard missing. harmby is useful if there are variables whose values should be unique within each by-group (or within the data set), and new observations with standard missing values for these variables have been added to some or all of the by-groups by merge, or by ingap, which is downloadable from SSC.

Language: Stata
Requires: Stata version 7.0
Keywords: data; manipulation (search for similar items in EconPapers)
Date: 2004-03-03
Note: This module may be installed from within Stata by typing "ssc install harmby". Windows users should not attempt to download these files with a web browser.

Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/h/harmby.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/h/harmby.hlp help file (text/plain)

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Persistent link: http://EconPapers.repec.org/RePEc:boc:bocode:s419604

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