Wilcoxon signed rank test : Test statistic S
Hello everyone, I apologize in advance for what must seem like a very obvious question.When you do a pair analysis of variable in JMP, you can ask the software to perform a Wilcoxon signed rank test which then gives me as a result a test statistics named S. Question is : What is S?It does not match the sum of all the ranks because it can be a negativeIt does not match the sum of the signed ranks o...