AnahitaNodehi
thigm85
/ lda_vs_pca.R
Last active
March 16, 2021 11:31
Visualize the difference between PCA and LDA on the iris dataset.
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| require(MASS) | |
| require(ggplot2) | |
| require(scales) | |
| require(gridExtra) | |
| pca <- prcomp(iris[,-5], | |
| center = TRUE, | |
| scale. = TRUE) | |
| prop.pca = pca$sdev^2/sum(pca$sdev^2) |