compute_growth {forestecology}

Compute growth of trees

Description

Based on two tree censuses, compute the average annual growth in dbh for all trees.

Usage

compute_growth(census_1, census_2, id)

Arguments

census_1

A data frame of the first census.

census_2

A data frame of the second (later) census

id

Name of variable that uniquely identifies each tree common to census_1 and census_2 allowing you to join/merge both data frames.

Value

An sf data frame with column growth giving the average annual growth in dbh.

See Also

Other data processing functions: create_bayes_lm_data(), create_focal_vs_comp()

Examples

library(dplyr)
library(stringr)

growth_ex <-
  compute_growth(
    census_1 = census_1_ex %>%
      mutate(sp = to_any_case(sp) %>% factor()),
    census_2 = census_2_ex %>%
      filter(!str_detect(codes, "R")) %>%
      mutate(sp = to_any_case(sp) %>% factor()),
    id = "ID"
  )