Parameter units and conversion factors vocabulary

Returns unit definitions and SI conversion factors for environmental measurements.

Usage

parameter_unit_vocabulary(select_column = NULL)

Arguments

select_column

Optional column name to extract: "MEASURED_UNIT", "BASE_SI_UNIT", "CONVERSION_FACTOR", or "UNIT_COMMENTS"

Value

A dataframe (if select_column is NULL) or a character vector (if column specified)

Details

Reads unit conversion data from unit_conversion_factors.csv containing standardised units for ecotoxicological and environmental measurements. The complete dataset includes columns:

MEASURED_UNIT: Unit as recorded in measurements

BASE_SI_UNIT: Corresponding SI base unit

CONVERSION_FACTOR: Numeric factor to convert to SI units

UNIT_COMMENTS: Additional notes about unit usage or conversion

Data source: extdata/unit_conversion_factors.csv

See also

Other measurement: initialise_measurements_tibble(), measured_categories_vocabulary(), measured_flag_vocabulary(), measured_types_vocabulary(), uncertainty_types_vocabulary()