soilDB: filter_geochem – R documentation

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filter_geochem

Filter KSSL Geochemical Table

Description

A function to subset KSSL "geochem" / elemental analysis result table to obtain rows/columns based on: column name, preparation code, major / trace element method.

Usage

filter_geochem(
  geochem,
  columns = NULL,
  prep_code = NULL,
  major_element_method = NULL,
  trace_element_method = NULL
)

Arguments

`geochem`	geochemical data, as returned by fetchKSSL
`columns`	Column name(s) to include in result
`prep_code`	Character vector of prep code(s) to include in result.
`major_element_method`	Character vector of major element method(s) to include in result.
`trace_element_method`	Character vector of trace element method(s) to include in result.

Value

A data.frame, subsetted according to the constraints specified in arguments.

Author(s)

Andrew G. Brown.

soilDB

Soil Database Interface

v2.6.1

GPL (>= 3)

Authors

Dylan Beaudette [aut], Jay Skovlin [aut], Stephen Roecker [aut], Andrew Brown [aut, cre]

Initial release

2021-04-7