units (version 0.8-7)

mixed_units: Create or convert to a mixed units list-column

Description

Create or convert to a mixed units list-column

Usage

mixed_units(x, values, ...)
# S3 method for mixed_units
units(x) <- value

Arguments

x

numeric, or vector of class units

values

character vector with units encodings, or list with symbolic units of class mixed_symbolic_units

...

ignored

value

see values

Details

if x is of class units, values should be missing or of class mixed_symbolic_units; if x is numeric, values should be a character vector the length of x.

Examples

a <- 1:4
u <- c("m/s", "km/h", "mg/L", "g")
mixed_units(a, u)
units(a) = as_units("m/s")
mixed_units(a) # converts to mixed representation