Produces plots for sysVarIn when sysVar is categorical and there are 4 profiles
indiv4profilesCat(basedata, testModel, sysVar0name, sysVar1name)A dataframe created internally by the "sysVarInPlots" function.
The model object created by sysVarIn for the interaction model (e.g., sysVarInteract)
The name created by sysVarInPlots referring to the system variable for partner-0.
The name created by sysVarInPlots referring to the system variable for partner-1.
A list of 4 plots showing the simple slopes for each of the profiles.