Dimensionality

The inertia per dimension shows the decomposition of the total inertia along each dimension. Two dimensions account for 83% of the total inertia. Adding a third dimension adds only 8.6% to the accounted-for inertia. Thus, you elect to use a two-dimensional representation.

Figure 1. Inertia per dimension
Table with dimensions in the rows and singular value, inertia, chi-square, significance, and proportion of inertia accounted for in the columns

Next