MetricsWeighted (version 0.1.0)

deviance_poisson: Poisson deviance

Description

Weighted average of unit Poisson deviance, see e.g. [1].

Usage

deviance_poisson(actual, predicted, w = NULL, ...)

Arguments

actual

Observed values.

predicted

Predicted values.

w

Optional case weights.

...

Further arguments passed to deviance_tweedie.

Value

A numeric vector of length one.

References

[1] Ohlsson E. and Johansson B. (2015). Non-Life Insurance Pricing with Generalized Linear Models. Springer Nature EN. ISBN 978-3642107900.

See Also

deviance_tweedie.

Examples

# NOT RUN {
deviance_poisson(1:10, (1:10)^2)
deviance_poisson(1:10, (1:10)^2, w = rep(1, 10))
deviance_poisson(1:10, (1:10)^2, w = 1:10)

# }