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The symmetric plot of rows and columns is often easier to interpret than an asymmetric plot because fewer points overlap and the labels are easier to read. The row-to-row and column-to-column distances are approximate χ2 distances between the respective profiles. However, the row-to-column distances are not standardized in the symmetric plot. Because rows and columns use two different mappings, the distances between row categories and column categories cannot be interpreted easily. To interpret distances between row categories and column categories, use an asymmetric plot.
An advantage of asymmetric plots is that you can intuitively interpret the distances between row points and column points, especially if the two displayed components represent a large proportion of the total inertia.