Construct a list of contrast_spec objects.
Arguments
- ...
A variable-length list of contrast_spec objects.
Value
A list of contrast_spec objects with class "contrast_set".
Examples
c1 <- contrast(~ A - B, name="A_B")
c2 <- contrast(~ B - C, name="B_C")
contrast_set(c1,c2)
#> contrast: A_B
#> A: ~A - B
#>
#> contrast: B_C
#> A: ~B - C
#>