layout_treemap
Place nodes on the screen using a treemap layout.
Transforms a set of columns (normally categorical) to x and y positions using a treemap layout.
The treemap will be created hierarchically according to the order of columns in the input.
At the lowest level of the treemap, points within the same category may be ordered from top to bottom and left to right using an optional numerical column.
Usage
The following example shows how the step can be used in a recipe.
The following configuration transforms the categories into a treemap and uses the numerical column to order the nodes in the final squares.
Inputs & Outputs
The following are the inputs expected by the step and the outputs it produces. These are generally
columns (ds.first_name), datasets (ds or ds[["first_name", "last_name"]]) or models (referenced
by name e.g. "churn-clf").
Configuration
The following parameters can be used to configure the behaviour of the step by including them in
a json object as the last “input” to the step, i.e. step(..., {"param": "value", ...}) -> (output).
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