imageData (version 0.1-21)

WUI: Calculates the Water Use Index (WUI)

Description

Calculates the Water Use Index, returning NA if the water use is zero.

Usage

WUI(response, water)

Arguments

response

A numeric giving the value of the response achieved.

water

A numeric giving the amount of water used.

Value

numeric containing the water divided by the response, unless water is zero in which caseNA is returned.

Examples

data(exampleData)
Area.WUE <- with(longi.dat, WUI(Area.AGR, Water.Loss))