**Added `MutualImpurityReduction()`** as a replacement for `var.select.mir()`, where variable selection is performed with `MutualImpurityReductionVariableSelection()`.
## Changes
# RFSurrogates 0.3.4
*`var.select.smd()`, `var.select.md()`, `var.relations()`, `var.relations.mfi()`: Made several improvements to developer experience:
*`create.forest` now defaults to `is.null(forest)`, so it will automatically be `TRUE` if no forest is provided, and `FALSE` otherwise.