In this example, you use singular value decomposition of the transaction item matrix to gain further insight into the Grocery Purchases.jmp sample data.
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Select Analyze > Screening > Association Analysis.
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Click OK.
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Click OK.
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Figure 20.5 SVD Plots
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Click the red triangle next to SVD and select Topic Analysis, Rotated SVD.
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Figure 20.6 Topic Items Report
Figure 20.7 Topic Scores
Figure 20.8 Singular Values Table
As seen in Figure 20.8, the first two singular values explain only about 30% of the variability in the grocery store data. Additional dimensions might be required to explain a sufficient amount of variability.