Visualization with a biplot
Now visualize your PCA results. Maybe you can find groups in the data?
The object pcaNews is loaded in your workspace.
Cet exercice fait partie du cours
<cours>Machine Learning for Marketing Analytics in R</cours>Instructions de l’exercice
- Create a biplot for your PCA results. The function selects the first two components automatically.
- Scale the text with the factor 0.5.
Exercice interactif pratique
Essayez cet exercice en complétant ce code d’exemple.
___ %>% ___(cex = ___)