| as.unordered | Convert to unordered factor |
| backward_difference_code | Use backward difference coding |
| cumulative_split_code | Use cumulative split coding |
| decompose_contrasts | Decompose contrasts into new columns |
| enlist_contrasts | Get a list of contrast matrices |
| forward_difference_code | Use forward difference coding |
| glimpse_contrasts | Get quick summary of contrasts in dataframe |
| helmert_code | Use helmert coding |
| interpret_intercept | Interpret intercept from contrasts |
| is.unordered | Check for unordered factor |
| is_centered | Check for intercept centering |
| is_orthogonal | Check for orthogonality |
| orth_polynomial_code | Use orthogonal polynomial coding |
| polynomial_code | Use orthogonal polynomial coding |
| print_contrasts | Print contrasts |
| raw_polynomial_code | Use raw polynomial coding |
| reverse_helmert_code | Use reverse helmert coding |
| scaled_sum_code | Use scaled sum coding |
| set_contrasts | Set contrasts to factor columns in dataframe |
| sum_code | Use sum coding |
| treatment_code | Use treatment coding |
| use_contrasts | Use contrast specification for given factor |
| use_contrasts.AsIs | AsIs method for use_contrasts |
| use_contrasts.default | Default method for use_contrasts |
| use_contrasts.function | Function method for use_contrasts |
| use_contrasts.hypr | hypr method for use_contrasts |
| use_contrasts.matrix | Matrix method for use_contrasts |
| use_contrasts.name | Symbol method for use_contrasts |