# CV2: Stata module to calculate the coefficient of variation for variables

*Lorenz Graf-Vlachy* ()

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Lorenz Graf-Vlachy: University of Passau

Statistical Software Components from Boston College Department of Economics

**Abstract:**
cv2 automates the trivial task of calculating the coefficient of variation (CV) for each of a given list of variables. The CV is a measure of dispersion of a variable. It is defined as the variable's standard deviation divided by the mean. The CV is independent of the units of measurement and of the magnitude of the data. Consequently, it can be used to compare the variability of different variables. Of two variables, the variable with the smaller CV is less dispersed than the variable with the larger CV.

**Language:** Stata

**Requires:** Stata version 9

**Keywords:** coefficient of variation; descriptive statstics (search for similar items in EconPapers)

**Date:** 2018-07-31, Revised 2022-03-15

**Note:** This module should be installed from within Stata by typing "ssc install cv2". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.

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**Downloads:** (external link)

http://fmwww.bc.edu/repec/bocode/c/cv2.ado program code (text/plain)

http://fmwww.bc.edu/repec/bocode/c/cv2.sthlp help file (text/plain)

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**Persistent link:** https://EconPapers.repec.org/RePEc:boc:bocode:s458511

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