Yuen's test for two trimmed means

d_j = (n_j - 1) s_wj^2 / (h_j (h_j - 1)); T = difference / sqrt(d_1 + d_2) with Welch-type degrees of freedom.

Usage

Yuen(x, y, tr = 0.2, alpha = 0.05)

Arguments

x, y

Numeric vectors.

tr

Trimming proportion.

alpha

Level.

Value

list(statistic, df, diff, ci, p_value, se).

References

Yuen, K. K. (1974). Biometrika 61, 165-170. Wilcox (2017), eq (8.12).

Examples

Yuen(1:10, 3:12)$df
#> [1] 10