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GeoGebraAula GeoGebra

Principal Component Anlaysis 3d

Move the points around to see what the top principal components are for the given inputs. Points can move anywhere within the 3D box. The three axis represent x1, x2, and x3. Click "Explore PCA" to see the top 3 principal components and explore other possible components by moving the vectors around. You can also snap to the principal components by checking the corresponding boxes. The value of "n" represents the number of principal components that the points will get projected onto. If n = 1, points are projected onto a line. If n = 2, the points are projected onto a plane. A maximum of two principal components may be selected when n = 2.
Use this icon to switch to 2D perspective
Use this icon to switch to 2D perspective
Use this icon to switch to 3D perspective. A slider can be used to rotate the view.
Use this icon to switch to 3D perspective. A slider can be used to rotate the view.
Use this icon to switch to 2 principal component plane when n = 2 is selected.
Use this icon to switch to 2 principal component plane when n = 2 is selected.