crown: Crown champions

In eheinzen/championtrees: Champion Trees National Register

Description

A simplified (ignores year submitted) tree crowning algorithm.

Usage

crown(formula, data, subset, na.action, ...)

Arguments

formula	A one-sided formula with three terms: circumference, height, and spread (in that order). Optionally, species can be denoted with the special function special().
data	A data.frame containing variables from formula.
subset	An optional vector of subsetting.
na.action	What to do with NAs.
...	Other arguments (not in use at this time)

Value

An object of class "championtree_crowned"

Examples

  data(champions)
  crown(~ circumference + height + spread + species(circumference), data = champions)

eheinzen/championtrees documentation built on Feb. 21, 2020, 2:01 a.m.