Proc Npar1way Wilcoxon Signed Rank Test. The Wilcoxon statistic equals 7950. The statistic is 526656 with 4.
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In addition PROC NPAR1WAY produces the following tests for scale differences. Wilcoxon signed rank test a rank test used in nonparametric statistics can be considered as a backup for t-test where the independent variable is binary but the dependent variable is not normally distributed. The normal approximation for the Wilcoxon two-sample test yields a one-sided p-value of 00421 and a two-sided p-value.
Also note that the Wilcoxon rank sum test can be obtained from the FREQ procedure.
Next PROC NPAR1WAY displays the one-way ANOVA statistic which for Wilcoxon scores is known as the Kruskal-Wallis test. The normal approximation for the Wilcoxon two-sample test yields a one-sided p-value of 00421 and a two-sided p-value. Wilcoxon Signed-Rank Test SAS Code. The NPAR1WAY Procedure Wilcoxon Scores Rank Sums for Variable Gain.
