Parse a soil depth string into midpoint and label

Accepts strings of the form "0-5", "5-15", "100", etc. and returns the numeric midpoint and a human-readable label (e.g. "0-5 cm").

Usage

parse_depth(s)

Arguments

s

A character string describing a depth interval or single depth.

Value

A named list with elements:

mid

Numeric midpoint in cm.

label

Character label, e.g. "0-5 cm".

Examples

parse_depth("0-5")
#> $mid
#> [1] 2.5
#> 
#> $label
#> [1] "0-5 cm"
#> 
parse_depth("100-200")
#> $mid
#> [1] 150
#> 
#> $label
#> [1] "100-200 cm"
#> 
parse_depth("30")
#> $mid
#> [1] 30
#> 
#> $label
#> [1] "30 cm"
#>