.process_contrasts | R Documentation |
Processes a formula and any arguments for the contrast matrix and sets up the use_contrasts call
.process_contrasts(model_data, raw_formula, omit_drop)
model_data |
Data frame with factor column |
raw_formula |
Raw formula |
omit_drop |
Logical, set to TRUE when set_contrasts is used by appending an attribute to the formula list, otherwise is FALSE (as in enlist_contrasts) |
A contrast matrix
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