Kruskal-Wallis chi-squared statistic (with the tie correction).
Labels of the comparisons, "<label j> - <label i>", in the order (2,1), (3,1), (3,2), (4,1), ...
p-values: the upper tail of |Z|, or twice that with altp.
Alias of PAdjusted: the same array.
Adjusted p-values (no monotonicity step).
Alias of P: the same array.
R's warnings, each once, in R's order (an empty array when there are none).
Dunn's z for each comparison.
Alias of Z: the same array.
Result of dunnTest (dunn.test's list).