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Hi, I am new user of OriginPro8. I want to do a distribution Kolmogorov-Smirnov for my data to plot a cumulative probability between two groups. Please if you can tell me the steps t follow for such purpose. thank you in advance for your help
thank you for your reply. I followed the instructions in the link. I copy the data from excel to Origin, group1 in the column A (Y), and group2 in COlumn B(Y).I choose ktest 2. In below of the dialog a message. please select one ne data column and one factory column. I didnt get this. so I could not click OK.