Visulization of correlation matrix
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Color Imagedata(mtcars)fit = lm(mpg ~ ., mtcars)cor = summary(fit, correlation = TRUE)$correlationcor2 = t(cor[11:1, ])colors = c(“#A50F15”, “#DE2D26”, “#FB6A4A”, “#FCAE91”, “#FEE5D9″,”white”, “#EFF3FF”, “#BDD7E7”, “#6BAED6”, “#3182BD”, “#08519C”)image(1:11, 1:11, cor2, axes = FALSE, ann = F, col = colors)text(rep(1:11, 11), rep(1:11, each = 11), round(100 * cor2))Ellipseslibrary(ellipse)col =
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