SOCR EduMaterials AnalysisActivities KolmogorovSmirnoff
From Socr
SOCR Analyses Example on Kolmogorov-Smirnoff Test.
This example is based on a dataset from the R package under the library MASS. The dataset's name is oats.
The quantitative variable Y (yields of oats field) is grouped by three varieties (the categorical varible here), Victory, Golden.rain and Marvellous.
The analysis steps:
1. As you start the SOCR Analyes Applet, click on Kolmogorov-Smirnoff Test from the combo box in the left panel. Next, click on Example 4 and then the Data tab on the top of the right panel. You will see something like below. The data have been divided into 6 columns by groups.
![](/distributome/uploads/thumb/5/58/SOCR_AnalysisActivities_Survival_Chu_081015_KSFig1.gif/700px-SOCR_AnalysisActivities_Survival_Chu_081015_KSFig1.gif)
2. Click on the Mapping tab to map the groups you would like to include in the analysis. Select two groups.
![](/distributome/uploads/thumb/d/d4/SOCR_AnalysisActivities_Survival_Chu_081015_KSFig2.gif/700px-SOCR_AnalysisActivities_Survival_Chu_081015_KSFig2.gif)
3. Now you will click on Compute to let the program produce the results. Click on Result to view the results.
![](/distributome/uploads/thumb/f/f2/SOCR_AnalysisActivities_Survival_Chu_081015_KSFig3.gif/700px-SOCR_AnalysisActivities_Survival_Chu_081015_KSFig3.gif)
4. Click on Graph to view plots.
![](/distributome/uploads/thumb/f/f8/SOCR_AnalysisActivities_Survival_Chu_081015_KSFig4.gif/700px-SOCR_AnalysisActivities_Survival_Chu_081015_KSFig4.gif)
Note: if you happen to click on the "Clear" button in the middle of the procedure, all the data will be cleared out. Simply start over from step 1.
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