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dismo (version 1.0-5)
calc.deviance: Calculate deviance
Description
Function to calculate deviance given two vectors of observed and predicted values. Requires a family argument which is set to binomial by default
Usage
calc.deviance(obs, pred, weights = rep(1,length(obs)), family="binomial", calc.mean = TRUE)
Arguments
obs
a vector with observed values
pred
a vector with predicted values that correspond the the values in obs
weights
a vector of weight values
family
One of "binomial", "bernoulli", "poisson", "laplace", or "gaussian"
calc.mean
Logical. If
TRUE
, the mean deviance is returned