Nothing
Code
leave_var_out_formulas(y ~ 1, data = form_data)
Condition
Error in `leave_var_out_formulas()`:
! There should be at least 2 predictors in the formula.
Code
leave_var_out_formulas(y ~ a, data = form_data)
Condition
Error in `leave_var_out_formulas()`:
! There should be at least 2 predictors in the formula.
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