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

mixed_units {units} | R Documentation

## 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 replacement method for class '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

[Package units version 0.7-0 Index]