The first three observations are just to ensure the groups are assigned colors in the order we want. Two additional columns are used to display the status at the end of the curve for each subject: WeekS, TGroup. Four columns are needed to draw the progression of the disease for each subject over time: Subject, Week, Change, RGroup. ![]() Click on the graph for a higher resolution view. I followed the example and generated some data to create the graph shown on the right. The user provided an illustration of what the plot might look like. This article is prompted by a question on the SAS communities page on how to create a Spider plot. Another way of displaying Tumor Response data was discussed earlier in the article on Swimmer Plot. The plot can be classified by response and stage. A Spider Plot is another way of presenting the Change from Baseline for tumors for each subject in a study by week.
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