A function to subset KSSL "geochem" / elemental analysis result table to obtain rows/columns based on: column name, preparation code, major / trace element method.
filter_geochem(
geochem,
columns = NULL,
prep_code = NULL,
major_element_method = NULL,
trace_element_method = NULL
)A data.frame, subset according to the constraints specified in arguments.
geochemical data, as returned by fetchKSSL
Column name(s) to include in result
Character vector of prep code(s) to include in result.
Character vector of major element method(s) to include in result.
Character vector of trace element method(s) to include in result.
Andrew G. Brown.