tidy_fia: Create tidy FIA tables

In SilviaTerra/tidyFIA: Assemble Forest Inventory and Analysis (FIA) Data for Analysis

Create tidy FIA tables

Description

This function queries the FIA database, by state abbreviation(s) or area of interest,and returns a list of tidy data objects including the TREE, PLOT, COND, and SURVEY tables.

Usage

tidy_fia(
  states = NULL,
  aoi = NULL,
  postgis = TRUE,
  table_names = c("plot", "subplot", "cond", "tree", "survey"),
  file_dir = tempdir()
)

Arguments

states	a character vector of state abbreviations, ignored if aoi is supplied.
aoi	sf object containing area of interest
postgis	logical if true, query PostGIS database instead of downloading csvs from FIA Datamart.
table_names	list of FIA tables to download. Tables must be identified by their 'Oracle Table Name' as described in the 'Index of Tables' in FIADB User Guide.
file_dir	path to directory in which to download CSV files from the Datamart. If the files are already present in this folder, the existing files will be used.

Value

a list object containing tidy data

Author(s)

Henry Rodman, Brian Clough

SilviaTerra/tidyFIA documentation built on March 25, 2024, 8:15 p.m.