Skip to contents

Classify a pedon under USDA Soil Taxonomy (13th edition)

Source: R/key-usda.R
classify_usda.Rd

Walks the canonical 4-level USDA key (Order -> Suborder -> Great Group -> Subgroup) using YAML rule files at:

  • inst/rules/usda/key.yaml: Order key (12 entries)

  • inst/rules/usda/suborders/<order>.yaml

  • inst/rules/usda/great-groups/<order>.yaml

  • inst/rules/usda/subgroups/<order>.yaml

Usage

classify_usda(pedon, rules = NULL, on_missing = c("warn", "silent", "error"))

Arguments

pedon

A PedonRecord.

rules

Optional pre-loaded rule set.

on_missing

One of "warn" (default), "silent", "error".

Value

A ClassificationResult with deepest-level taxon name. Each level's trace is in $trace.

Details

Stops at the deepest level for which a YAML rule file is available (e.g. v0.8.x: Gelisols full Path C; other 11 Orders at Order level only).

References

Soil Survey Staff (2022). Keys to Soil Taxonomy, 13th edition. USDA Natural Resources Conservation Service.