Merge Dendrograms
Merge Dendrograms
merge_dendrogram(x, y, only_parent = FALSE, ...)
x |
The parent dendrogram. |
y |
The children dendrograms. They are connected to the leaves of the parent dendrogram. So the length of |
only_parent |
Whether only returns the parent dendrogram where the height and node positions have been adjusted by children dendrograms. |
... |
Other arguments. |
Do not retrieve the order of the merged dendrogram. It is not reliable.
m1 = matrix(rnorm(100), nr = 10) m2 = matrix(rnorm(80), nr = 8) m3 = matrix(rnorm(50), nr = 5) dend1 = as.dendrogram(hclust(dist(m1))) dend2 = as.dendrogram(hclust(dist(m2))) dend3 = as.dendrogram(hclust(dist(m3))) dend_p = as.dendrogram(hclust(dist(rbind(colMeans(m1), colMeans(m2), colMeans(m3))))) dend_m = merge_dendrogram(dend_p, list(dend1, dend2, dend3)) grid.dendrogram(dend_m, test = TRUE) dend_m = merge_dendrogram(dend_p, list(dend1, dend2, dend3), only_parent = TRUE) grid.dendrogram(dend_m, test = TRUE) require(dendextend) dend1 = color_branches(dend1, k = 1, col = "red") dend2 = color_branches(dend2, k = 1, col = "blue") dend3 = color_branches(dend3, k = 1, col = "green") dend_p = color_branches(dend_p, k = 1, col = "orange") dend_m = merge_dendrogram(dend_p, list(dend1, dend2, dend3)) grid.dendrogram(dend_m, test = TRUE)
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