Consistent Contrast Coding for Factors


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Documentation for package ‘contrastable’ version 1.0.2

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.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
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