position_nodes: Creates smart node layout.

In treeheatr: Heatmap-Integrated Decision Tree Visualizations

Description

Create node layout using a bottom-up approach (literally) and overwrites ggparty-precomputed positions in plot_data.

Usage

position_nodes(plot_data, terminal_data, custom_layout, lev_fac, panel_space)

Arguments

plot_data	Dataframe output of 'ggparty:::get_plot_data()'.
terminal_data	Dataframe of terminal node information including id and raw terminal node size.
custom_layout	Dataframe with 3 columns: id, x and y for manually input custom layout.
lev_fac	Relative weight of child node positions according to their levels, commonly ranges from 1 to 1.5. 1 for parent node perfectly in the middle of child nodes.
panel_space	Spacing between facets relative to viewport, recommended to range from 0.001 to 0.01.

Value

Dataframe with 3 columns: id, x and y of smart layout combined with custom_layout.

treeheatr documentation built on Nov. 20, 2020, 1:07 a.m.