Learn R Programming

dfoliatR (version 0.3.0)

outbreak_stats: Outbreak statistics

Description

Summary statistics for inferred outbreaks

Usage

outbreak_stats(x)

Value

A data frame with descriptive statistics for each outbreak event determined by outbreak(), including:

  • "start" -- first year of outbreak

  • "end" -- last year of outbreak

  • "duration" -- length of outbreak (in years)

  • "n_df_start" -- number of trees defoliated at the start

  • "perc_df_start" -- percent of trees defoliated at the start

  • "max_df_obr" -- maximum number of trees in the outbreak during a single year

  • "yr_max_df" -- year with the maximum number of trees defoliated

  • "yr_min_ngsi" -- year with the lowest mean normalized growth suppression index (NGSI)

  • "min_gsi" -- minimum growth suppression index

  • "min_ngsi" -- minimum normalized gsi

Arguments

x

An obr object after running outbreak()

Examples

Run this code
data("dmj_obr")
outbreak_stats(dmj_obr)

Run the code above in your browser using DataLab