Create choice structure for [RichTreeView()]

This function is adapted from `shinyWidgets::create_tree()`. A big thank you to the authors of the shinyWidgets for creating the `create_tree()` function.

Usage

createTree(data, levels = names(data), levels_id = NULL, ...)

Arguments

data

A `data.frame`.

levels

Variables identifying hierarchical levels, values of those variables will be used as text displayed.

levels_id

Variable to use as ID for nodes. Careful! Spaces are not allowed in IDs.

...

Addtional arguments.

Value

a `list` that can be used in [RichTreeView()].

See also

`shinyWidgets::create_tree()`