R: A System of Soil Classification for Making and Interpreting Soil Surveys

# A System of Soil Classification for Making and Interpreting Soil Surveys

## 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)