force_in in MatSelect() now correctly accepts character column names.
els now correctly lists all valid subsets when a single variable is forced in.
corrSelect() now displays an appropriate warning if only one variable remains after dropping unsupported columns.
Association matrix construction in assocSelect() now safely falls back to 0 for failed or meaningless associations (e.g. empty chi-squared tables due to sparse combinations or unused factor levels).
Features Added
assocSelect() now supports logical columns by automatically converting them to factors.