berryFunctions (version 1.11.0)

nse: Nash-Sutcliffe efficiency

Description

Compute Nash-Sutcliffe efficiency from two vectors. Based on eval.NSeff in RHydro Package

Usage

nse(obs, sim)

Arguments

obs

Vector with observational data.

sim

simulated data.

Value

Numeric.

Details

Basically does the following, after some input checks: 1 - ( sum((obs - sim)^2) / sum((obs - mean(obs))^2) )

See Also

rmse, rsquare

Examples

SIM <- dbeta(1:40/40, 3, 10)
OBS <- SIM + rnorm(20,,0.2)
plot(OBS)
lines(SIM)
nse(OBS, SIM)