Coordinate points | Group-based confidence ellipses

Coordinate points | Grouping

Data | Principal component analysis | Hotelling’s T-Squared Statistic | Calculate using the first k components | Calculate using the cumulative variance threshold | Hotelling’s T-Squared Ellipse | Calculating the semi-axes | Calculating the x-y coordinates | Hotelling’s T-Squared Ellipsoid | Calculating the x-y-z coordinates