calc.deviance

Function to calculate deviance given two vectors of observed and predicted values.
Requires a family argument which is set to binomial by default

 spatial 

Methods for species distribution modeling, that is, predicting the environmental similarity of any site to that of the locations of known occurrences of a species.

Robert Hijmans

dismo

Species Distribution Modeling

Robert J. Hijmans

Steven Phillips

John Leathwick

Jane Elith

calc.deviance function

<dl> <dt>obs</dt>
<dd>a vector with observed values</dd> <dt>pred</dt>
<dd>a vector with predicted values that correspond the the values in obs</dd> <dt>weights</dt>
<dd>a vector of weight values</dd> <dt>family</dt>
<dd>One of "binomial", "bernoulli", "poisson", "laplace", or "gaussian"</dd> <dt>calc.mean</dt>
<dd>Logical. If <code>TRUE</code>, the mean deviance is returned</dd></dl>

Arguments

Author

Calculate deviance — calc.deviance

<dl>

 <dt>obs</dt>
<dd>a vector with observed values</dd>

 <dt>pred</dt>
<dd>a vector with predicted values that correspond the the values in obs</dd>

 <dt>weights</dt>
<dd>a vector of weight values</dd>

 <dt>family</dt>
<dd>One of "binomial", "bernoulli", "poisson", "laplace", or "gaussian"</dd>

 <dt>calc.mean</dt>
<dd>Logical. If <code>TRUE</code>, the mean deviance is returned</dd>

</dl>

calc.deviance: Calculate deviance

Description

Usage

Arguments

Author