Implements methods for calculating disproportionate impact: the percentage point gap, proportionality index, and the 80% index. California Community Colleges Chancellor's Office (2017). Percentage Point Gap Method. < https://www.cccco.edu/-/media/CCCCO-Website/About-Us/Divisions/Digital-Innovation-and-Infrastructure/Research/Files/PercentagePointGapMethod2017.ashx>. California Community Colleges Chancellor's Office (2014). Guidelines for Measuring Disproportionate Impact in Equity Plans. < https://www.cccco.edu/-/media/CCCCO-Website/About-Us/Divisions/Digital-Innovation-and-Infrastructure/Network-Operations/Accountability/Files/GUIDELINES-FOR-MEASURING-DISPROPORTIONATE-IMPACT-IN-EQUITY-PLANS.ashx>.
The DisImpact R package contains functions that help in determining Disproportionate Impact (DI) based on the following methodologies:
# From CRAN## install.packages('DisImpact') # From github (Development)## devtools::install_github('vinhdizzo/DisImpact')A vignette on how to use the package can be found here.
0.0.4
prop_sub_0 and prop_sub_1 parameters to account for scenarios where the proportion contains 0 or 1 to not lead to a zero MOE when use_prop_in_moe=TRUE. Also, add warning messages when this happens.0.0.3
di_indicator in di_ppgpct_hi < reference to pct_hi <= reference in determining DI to be consistent with the methods document from the Chancellor's office