A System of Soil Classification for Making and Interpreting Soil Surveys

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Documentation for package ‘SoilTaxonomy’ version 0.2.8

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

Help Pages

child_level	Parent/Child Hierarchy
code_to_level	Determine taxonomic level of a taxonomic letter code
decompose_taxon_code	Decompose taxon letter codes
explainST	Explain a taxon name using formative elements
extractSMR	Extract Soil Moisture Regime from Subgroup or Higher Level Taxon
FormativeElements	Identify formative elements in taxon names at Soil Order, Suborder, Great Group or Subgroup level
getChildTaxa	Get the lower (child) taxa for a taxon name or code
getLastChildTaxon	Get last child taxon in Keys at specified taxonomic level
getParentTaxa	Get the higher (parent) taxa for a taxon name or code
getTaxonAtLevel	Get the taxon name at the Soil Order, Suborder, Great Group or Subgroup level
getTaxonCriteria	Get Taxon Criteria from the Keys to Soil Taxonomy
getTaxonSMR	Lookup Pre-calculated Soil Moisture Regimes by Taxon
get_ST_family_classes	Get soil family / series differentiae and class names
get_ST_features	Get soil diagnostic horizons, characteristics and features
get_ST_formative_elements	Identify formative elements in taxon names at Soil Order, Suborder, Great Group or Subgroup level
GreatGroupFormativeElements	Identify formative elements in taxon names at Soil Order, Suborder, Great Group or Subgroup level
isValidST	Check for valid taxonomic level (Order, Suborder, Great Group, Subgroup)
level_hierarchy	Order of Hierarchical Levels in Soil Taxonomy
level_to_taxon	Get all taxa at specified level
newick_string	Generate Newick Tree Format Parenthetic Strings
OrderFormativeElements	Identify formative elements in taxon names at Soil Order, Suborder, Great Group or Subgroup level
parent_level	Parent/Child Hierarchy
parse_family	Parse components of a "family-level" taxon name
preceding_taxon_codes	Get taxon codes of preceding taxa
relative_taxon_code_position	Determine relative position of taxon within Keys to Soil Taxonomy (Order to Subgroup)
SoilMoistureRegimeLevels	Get (Ordered) Factors based on Soil Taxonomy Key position
SoilTaxonomyLevels	Get (Ordered) Factors based on Soil Taxonomy Key position
SoilTemperatureRegimeLevels	Get (Ordered) Factors based on Soil Taxonomy Key position
ST	Soil Taxonomy Hierarchy
ST_criteria_13th	Keys to Soil Taxonomy Criteria (13th Edition)
ST_family_classes	Family-level Classes for Soil Taxonomy
ST_features	Epipedons, Diagnostic Horizons, Characteristics and Features in Soil Taxonomy
ST_formative_elements	Formative Elements used by Soil Taxonomy
ST_higher_taxa_codes_12th	Letter Code Lookup Table for Position of Taxa within the Keys to Soil Taxonomy (12th Edition)
ST_higher_taxa_codes_13th	Letter Code Lookup Table for Position of Taxa within the Keys to Soil Taxonomy (13th Edition)
ST_SMR_13th	Soil Moisture Regimes used in the Keys to Soil Taxonomy (13th Edition)
ST_unique_list	Soil Taxonomy Hierarchy
SubGroupFormativeElements	Identify formative elements in taxon names at Soil Order, Suborder, Great Group or Subgroup level
SubOrderFormativeElements	Identify formative elements in taxon names at Soil Order, Suborder, Great Group or Subgroup level
taxonTree	Create a 'data.tree' Object from Taxon Names
taxon_code_to_taxon	Convert taxon code to taxon name
taxon_to_level	Determine taxonomic level of specified taxa
taxon_to_taxon_code	Convert taxon name to taxon code
WRB_4th_2022	World Reference Base for Soil Resources (4th Edition, 2022)