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Check for orthogonality

Source: R/is_orthogonal.R
is_orthogonal.Rd

Given a contrast matrix or list of contrast matrices (eg from enlist_contrasts() ), return a logical vector of whether each contrast is orthogonal or not.

Usage

is_orthogonal(contrast_matrices, USE.NAMES = FALSE)

Arguments

contrast_matrices

Contrast matrix or list of contrast matrices

USE.NAMES

Logical, whether vector should be named

Value

Logical vector, will retain names of a passed list

See also

is_centered()

Examples


is_orthogonal(treatment_code(5)) # FALSE
#> [1] FALSE
is_orthogonal(helmert_code(5)) # TRUE
#> [1] TRUE