Poisson deviance

poisson_dev(obs, pred)

Arguments

obs

numeric; observed values.

pred

numeric; predicted values.

Value

A named numeric vector with three elements: model deviance, mean deviance, and deviance explained.

Examples

obs <- c(0, 0, 1, 3, 5, 2)
pred <- c(0.5, 0.1, 2.5, 3.3, 5.2, 2.5)
ebirdst:::poisson_dev(obs, pred)
#>     deviance_model      deviance_mean deviance_explained 
#>          2.5107761         12.1236539          0.7929027