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.
This exercise is part of the course
Machine Learning for Marketing Analytics in R
Exercise instructions
- Create a biplot for your PCA results. The function selects the first two components automatically.
- Scale the text with the factor 0.5.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
___ %>% ___(cex = ___)