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Poisson deviance
poisson_dev(obs, pred)
A named numeric vector with three elements: model deviance, mean deviance, and deviance explained.
numeric; observed values.
numeric; predicted values.
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)
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