Check whether these units are acceptable (without translation) for inclusion in metadata

Check whether these units are acceptable (without translation) for inclusion in metadata

Usage

validMetadataUnits(
  unitstr,
  unit.type = c("ANY", "flow.units", "conc.units", "load.units", "load.rate.units",
    "basin.area.units")
)

Arguments

unitstr

A string representing units (just one bundle at a time, please)

unit.type

string. accepts "ANY","flow.units","conc.units","load.units", or "load.rate.units"

type

A string describing the type of units desired

Value

logical. TRUE if valid for that unit type, FALSE otherwise

Examples

validMetadataUnits("colonies d^-1") # TRUE
#> [1] TRUE
validMetadataUnits("m^3 s^-1", unit.type="ANY") # TRUE
#> [1] TRUE
validMetadataUnits("nonsensical") # FALSE
#> [1] FALSE
validMetadataUnits("g", unit.type="load.units") # TRUE
#> [1] TRUE
validMetadataUnits("g", unit.type="flow.units") # FALSE
#> [1] FALSE