get_SDA_pmgroupname: Get map unit parent material group information from Soil Data...

In soilDB: Soil Database Interface

Get map unit parent material group information from Soil Data Access

Description

Get map unit parent material group information from Soil Data Access

Usage

get_SDA_pmgroupname(
  areasymbols = NULL,
  mukeys = NULL,
  WHERE = NULL,
  method = "DOMINANT COMPONENT",
  simplify = TRUE,
  miscellaneous_areas = FALSE,
  query_string = FALSE,
  dsn = NULL
)

Arguments

areasymbols	vector of soil survey area symbols
mukeys	vector of map unit keys
WHERE	character containing SQL WHERE clause specified in terms of fields in legend, mapunit, component, or copmgrp tables, used in lieu of mukeys or areasymbols
method	One of: "Dominant Component", "Dominant Condition", "None"
simplify	logical; group into generalized parent material groups? Default TRUE
miscellaneous_areas	Include miscellaneous areas (non-soil components) in results? Default: FALSE.
query_string	Default: FALSE; if TRUE return a character string containing query that would be sent to SDA via SDA_query
dsn	Path to local SQLite database or a DBIConnection object. If NULL (default) use Soil Data Access API via SDA_query().

Details

Default method is "Dominant Component" to get the dominant component (highest percentage). Use "Dominant Condition" or dominant parent material condition (similar conditions aggregated across components). Use "None" for no aggregation (one record per component).

Value

a data.frame

Author(s)

Jason Nemecek, Chad Ferguson, Andrew Brown

soilDB documentation built on Sept. 11, 2024, 8:28 p.m.