Created
June 22, 2024 08:58
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What is the difference between `ward.D` and `ward.D2`?
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| X <- as.matrix(iris[,-5]) | |
| d <- dist(X) | |
| h1 <- hclust(d^2, method = "ward.D") | |
| h2 <- hclust(d, method = "ward.D2") | |
| h1$height <- sqrt(h1$height) | |
| #png("dendro2.png") | |
| par(mfrow=c(1,2)) | |
| plot(h1) | |
| plot(h2) | |
| #dev.off() |
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