Contrast Functions and Jacobians
Create Contrast of Pairs
Usage
h_diff(x, y)
h_jac_diff(x, y)
h_ratio(x, y)
h_jac_ratio(x, y)
h_odds_ratio(x, y)
h_jac_odds_ratio(x, y)
eff_jacob(f)
pairwise(levels, x = levels)
against_ref(levels, ref = levels[1], x = tail(levels, -1))
custom_contrast(levels, x, y)
Arguments
- x
(vector) A vector of treatment levels.
- y
(vector) A vector of treatment levels.
- f
(function) Function with argument x and y to compute treatment effect.
- levels
(character) Levels of the treatment.
- ref
(string or int) Reference level.
Value
Vector of contrasts, or matrix of jacobians.
Examples
h_diff(1:3, 4:6)
#> [1] -3 -3 -3
h_jac_ratio(1:3, 4:6)
#> [,1] [,2]
#> [1,] 0.2500000 -0.06250000
#> [2,] 0.2000000 -0.08000000
#> [3,] 0.1666667 -0.08333333