Wilcoxon test p value with one decimal place
-----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r- project.org] On Behalf Of Jun Shen Sent: Thursday, February 16, 2012 10:16 AM To: R-help Subject: [R] Wilcoxon test p value with one decimal place Dear list, Let's say I have data a=c(37.961,38.214,57.68) b=c(77.56,61.875,67.683) wilcox.test(a,b) the wilcoxon test only gives me a p value with one decimal place. Is this normal? Thanks. Jun
Well, it depends on what your p-value is. If you try w <- wilcox.test(a,b) print(w$p.value, digits=20) you will see that it is a rounding / printing issue Hope this is helpful, Dan Daniel J. Nordlund Washington State Department of Social and Health Services Planning, Performance, and Accountability Research and Data Analysis Division Olympia, WA 98504-5204