get_ST_features: Get soil diagnostic horizons, characteristics and features

In SoilTaxonomy: A System of Soil Classification for Making and Interpreting Soil Surveys

Get soil diagnostic horizons, characteristics and features

Description

All parameters to this function are optional (default NULL). If specified, they are used as filters.

Usage

get_ST_features(
  group = NULL,
  chapter = NULL,
  name = NULL,
  page = NULL,
  multiline_sep = "\n",
  multiline_col = "criteria"
)

Arguments

group	optional filtering vector; one of: "Surface", "Subsurface", "Mineral", "Organic", "Mineral or Organic"
chapter	optional filtering vector for chapter number
name	optional filtering vector; these are the "names" of features used in headers
page	optional filtering vector; page number (12th Edition Keys to Soil Taxonomy)
multiline_sep	default "\n" returns multiline_col column as a character vector concatenated with "\n". Use NULL for list
multiline_col	character. vector of "multi-line" column names to concatenate. Default: "criteria"; use NULL for no concatenation.

Details

This is a wrapper method around the package data set ST_features.

Value

a subset of ST_features data.frame

See Also

ST_features ST_family_classes get_ST_family_classes()

Examples

# get all features
str(get_ST_features())

# get features in chapter 3
str(get_ST_features(chapter = 3))

# get features on pages 18, 19, 20
get_ST_features(page = 18:20)

# get the required characteristics for the mollic epipedon from list column
str(get_ST_features(name = "Mollic Epipedon")$criteria)

SoilTaxonomy documentation built on Nov. 17, 2023, 1:07 a.m.