.process_code_by | R Documentation |
Handles the code_by
parameter and checks to make sure whether we can
safely drop trends or not. Also handles any usage of I()
.process_code_by(formula, params, env, verbose)
formula |
Formula used to set contrast |
params |
Parameter list |
env |
Not used |
verbose |
Whether to throw the warning about invalid |
Modified parameter list with updated code_by
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