1、KS统计量#
Kolmogorov-Smirnov Tests
Gene Set Enrichment Analysis
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source("signed-ks-test.R")
# c("two.sided", "less", "greater")
ks = ks.test.2(c(2,10,11,20), 1:100, alternative = "greater")
# Two-sample Kolmogorov-Smirnov test
# data: c(2, 10, 11, 20) and 1:100
# D^+ = 0.8, p-value = 0.007277
# alternative hypothesis: the CDF of x lies above that of y
ks$ES
# [1] 0.8
ks$p.value
# [1] 0.007276706
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