Exercise

Principal components

On the right are three scatter plots of the same point cloud. Each scatter plot shows a different set of axes (in red). In which of the plots could the axes represent the principal components of the point cloud?

Recall that the principal components are the directions along which the the data varies.

Instructions

50 XP

Possible Answers

None of them.
press 1
Both plot 1 and plot 3.
press 2
Plot 2.
press 3

Take Hint (-15 XP)