.add_namespace          Lookup namespace of contrast scheme function
.get_from_params        Retrieve value from param list
.warn_if_nondefault     Warn user if nondefault contrasts are set
as.unordered            Convert to unordered factor
backward_difference_code
                        Backward difference code
cumulative_split_code   Cumulative split contrasts
decompose_contrasts     Decompose contrasts into new columns
enlist_contrasts        List of contrast matrices
forward_difference_code
                        Forward difference code
glimpse_contrasts       Glimpse contrasts in dataframe
helmert_code            Helmert code
interpret_intercept     Interpret intercept from contrasts
is.unordered            Check for unordered factor
is_centered             Check for orthogonality
is_orthogonal           Check for orthogonality
orth_polynomial_code    Orthogonal Polynomial code
raw_polynomial_code     Raw Polynomial code
reverse_helmert_code    Reverse Helmert code
scaled_sum_code         Scaled sum coding
set_contrasts           Set contrasts to dataframe
sum_code                Sum code
treatment_code          Treatment code
use_contrasts           Contrast code factors
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      Use a hypr object for contrasts
use_contrasts.matrix    Matrix method for use_contrasts
use_contrasts.name      Symbol method for use_contrasts
