Rejects when |mean difference| / (se_1 + se_2) >= crit, i.e. when the error
bars do not overlap; the sum of standard errors overstates the standard error
of the difference.
Arguments
- x, y
Numeric vectors.
- crit
Error-bar multiplier.
Value
list(ratio, reject, welch_ratio, overlap).
References
Wilcox, R. R. (2017). Modern Statistics for the Social and
Behavioral Sciences, 2nd ed. Eq (7.36).
Examples
CiOvlap(1:3, 4:6)$reject
#> [1] TRUE
