In 1973, Wilcox published a paper presenting various indices of qualitative variation for social scientists. The problem is to find relevant statistical indices to measure the variation in nominal-scale (i.e. qualitative or categorical) data. Please see the Wilcox paper for more details on the rationale.
Wilcox presents six indices that can be used to measure qualitative variation. The qualvar package implements these indices so that R users can easily use them.
See the vignette to learn more.
This package is now on CRAN, you can install the stable version with:
You can also install the development version from Github via
# if necessary, install devtools # install.packages("devtools") devtools::install_github("joelgombin/qualvar")
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