taxonomy: Process soil taxonomy

In samuel-rosa/febr-package: Data Repository of the Brazilian Soil

Process soil taxonomy

Description

Extract and process soil taxonomic data from textual soil classification descriptions of the Brazilian Soil Classification System (SiBCS).

Usage

taxonomy(
  text,
  method = "decompose",
  sep = " ",
  pattern = c(", ", " A ", " textura ")
)

Arguments

text	Character string(s) with soil classification description(s) (in Portuguese).
method	Character string defining the string processing method. Options: "decompose": decompose the Brazilian soil classification into its four higher categorical levels (order, suborder, large group, and subgroup).
sep	Character string. Defaults to sep = " ".
pattern	Character string (in Portuguese). Defaults to pattern = c(", ", " A ", " textura ").

Value

An object of class base::data.frame with four named columns: ordem (UPPER CASE), subordem (UPPER CASE), grangrupo (Title Case), and subgrupo (lower case).

Author(s)

Alessandro Samuel-Rosa [e-mail]

References

Santos, H. G. dos, Jacomine, P. K. T., Anjos, L. H. C. dos, Oliveira, V. Á. de, Lumbreras, J. F., Coelho, M. R., Almeida, J. A. de, Araújo Filho, J. C. de, Oliveira, J. B. de, & Cunha, T. J. F. (2018). Sistema Brasileiro de Classificação de Solos (5th ed., p. 531). Embrapa. https://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1094003.

IBGE. (2015). Manual Técnico de Pedologia (3rd ed., p. 430). Instituto Brasileiro de Geografia e Estatística. https://biblioteca.ibge.gov.br/visualizacao/livros/liv95017.pdf

Examples

text <-
  c("CAMBISSOLO HÁPLICO Ta Eutrófico léptico A proeminente textura média",
    "PLANOSSOLO HÁPLICO Distrófico solódico êndico plintossólico, textura média, Tb",
    "CHERNOSSOLO ARGILÚVICO Órtico típico textura média com cascalho/argilosa com cascalho",
    "ARGISSOLO VERMELHO-AMARELO",
    "Latossolo"
  )
taxonomy(text)

samuel-rosa/febr-package documentation built on April 20, 2022, 10:31 p.m.