This macro performs a nonparametric test for paired samples by calculating the differences and then performing a one-sample Wilcoxon signed rank test. Optional subcommands allow you to specify the alternative hypothesis and to change the confidence level. By default, the two-sided test with H0: ETA = 0 is performed and the confidence level is 95%.
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You need two columns of paired samples.
Suppose C1 contains the data for the first sample and C2 contains the data for the second sample. To run the macro, chooseand type:
%PWILCOXON C1 C2
Click Submit Commands.