Psi_hat +- sqrt((L - 1) f MSWG sum c^2 / n).
Usage
ScheffeCI(groups, contrast, alpha = 0.05)
Arguments
- groups
List of numeric vectors.
- contrast
Contrast coefficients.
- alpha
Level.
Value
list(estimate, S, ci, mswg, df).
References
Wilcox, R. R. (2017). Modern Statistics for the Social and
Behavioral Sciences, 2nd ed. Eqs (12.7)-(12.9).
Examples
ScheffeCI(list(1:3, 2:4, 6:8), c(1, -1, 0))$ci
#> [1] -3.618715 1.618715
