brStick: Broken Stick Stopping Rule
In alstat/face: Face Recognition with PCA.

This function is a criterion for choosing the number of principal components.

1	brStick(x, plot = FALSE)

`x`	numeric, a vector of the eigenvalues of the principal components.
`plot`	boolean default is FALSE, toggle plot.

summary(pc.cr <- princomp(USArrests, cor = TRUE))
brStick(pc.cr$sdev ** 2)

# Show plot
brStick(pc.cr$sdev ** 2, plot = TRUE)

alstat/face documentation built on May 11, 2019, 11:29 p.m.

alstat/face index

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