Dendrogram

Two types of dendrogram

Building dendrogram with d3.js requires to have an input at the Json format, like here. The d3r package makes it a breeze to get this format from a R data frame.

The ggraph package is the best option to build a dendrogram from hierarchical data with R. It is based on the grammar of graphic and thus follows the same logic that ggplot2.

Most basic dendrogram

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Most basic usage of ggraph, applied on 2 types of input data format.

The collapsibletree package is an htmlwidget: it automatically builds collapsible interactive tree diagram. On the chart below, click a node to reveal the next branch, and zoom in/out if necessary.