How to rotate a ggplot2 dendrogram?

Suppose I have a ggplot2 dendrogram like this:


hc <- hclust(dist(USArrests), "ave")
dhc <- as.dendrogram(hc)

ddata <- dendro_data(dhc, type="rectangle")

geom_segment(aes(x=x, y=y, xend=xend, yend=yend))+ 

How can I rotate it clockwisely in 90 degree? I found a few topics in coord_flip(), but I just want to rotate rather flip. I tried geom_segment(aes(x=y, y=x, xend=yend, yend=xend)), but it does not work. Here is the plot that I want to:


Use x and xend for y values and then y and yend for y values. With scale_y_reverse() you will get reversed order clusters.

  geom_segment(aes(y=x, x=y, yend=xend, xend=yend))+ 

The same can be achieved using original code but adding coord_flip() to rotate by 90 degree and then add scale_x_reverse() to get reversed order.

  geom_segment(aes(x=x, y=y, xend=xend, yend=yend))+ 

Need Your Help

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