dot-process_factor_col: Process factor column

In contrastable: Consistent Contrast Coding for Factors

Process factor column

Description

This is usually the first thing to be processed in a formula like varname ~ x; ensures that varname is treated as a factor vector

Usage

.process_factor_col(cur_expr, params, env, verbose)

Arguments

cur_expr	Current expression, see .make_parameters()
params	Parameter accumulator
env	Environment for the formula, on the first recursion this will be pulled from formula and then passed to subsequent recursions. Needed to check whether a function is actually a function.
verbose	Logical, default TRUE, whether to show drop_trends warning if used incorrectly

Value

Parameter list with factor_col updated

contrastable documentation built on Oct. 1, 2024, 5:07 p.m.