Exercise

Visualizing PCA using the factoextra library

The factoextra library provides a number of functions which make it easy to extract and visualize the output of many exploratory multivariate data analyses, including PCA. In this exercise, you will use several functions to visualize the scores and PC loadings of the state.x77 dataset.

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Using the fviz_pca_ind() function, plot the scores of the first two components of the state.x77 dataset.