Computes confidence interval for a ratio of population medians of ratio scale measurements in a 2-group design.
Arguments: - alpha: alpha level for 1-alpha confidence - y1: vector of scores for group 1 - y2: vector of scores for group 2
Values: - medians, median ratio, lower limit, upper limit
alpha = .05
group2 = c(32, 39, 26, 35, 43, 27, 40, 37, 34, 29, 49, 42, 40)
group1 = c(36, 44, 47, 42, 49, 39, 46, 31, 33, 48)
ci.ratio.median.is(alpha, group1, group2)
## Median1 Median2 Median1/Median2 LL UL
## [1,] 43 37 1.162162 0.927667 1.455933
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