Hi R users:

I try to compare two financial series in terms of their performance level. I employ two nonparametric tests for this purpose: Komogrov-Smirov dominance test and Wilcoxon rank sum and signed rank test. There are cases that the conclusions for the two related samples are different, contrary, or conflicting by the two tests. What can I interpret the difference? Any implication behind these? Please help share your advice or information.

Many thanks,

Weihan
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