All public logs

Combined display of all available logs of 太極. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 09:58, 23 May 2024 Brb talk contribs created page File:Pca ggplot2.png (<syntaxhighlight lang='r'> df <- iris[, 1:4] # exclude "Species" column pca_res <- prcomp(df, scale = TRUE) ggplot(iris, aes(x = pca_res$x[,1], y = pca_res$x[,2], color = Species)) + geom_point() + stat_ellipse() </syntaxhighlight>)