It seems to me that your two approaches are calculating CIs for
different quantities. The bootstrap methods are calculating a CI for
the difference in medians, while the Wilcoxon approach is calculating a
CI for the median of the differences. If this were the mean, those
would be the same, bu
Dear R-group,
I have run into a problem in estimating confidence intervals for the median
difference.
I want to establish a confidence interval at (1- alpha) level for the
difference between the
medians of two indipendent samples (size n and m), by using the Wilcoxon
distribution
or with
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