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Construct a single node of a tree

Source: R/tree.R
generate_tree_node.Rd

Construct a single node of a tree

Usage

generate_tree_node(node, calc_mode = "")

Arguments

node

a list with named elements path and prediction. See details for more.

calc_mode

character, takes values "" and "calc_mode".

The node list should contain the two lists path and prediction.

The path element has the following structure:

This list can contain 0 or more elemements. The elements but each be of the following format:

  • type character, must be "conditional", "set", or "all".

  • op character. if type == "conditional" must be "more", "more-equal", "less", or "less-equal". if type == "set" must be "in" on not-in.

  • col character.

  • val if type == "conditional" and vals if type == "set". Can be character or numeric.

The prediction list has the following structure:

It can either be a singular value or a list. If it is a list it will have the following 4 named elements col, val, op, and is_intercept.

  • col character, name of column

  • val val, numeric of character

  • op character, known values are "none" and "multiply". "none" is used then is_intercept == 1.

  • is_interceptinteger, takes values 0 and 1.`

@keywords internal