Returns residuals for a fitted
object. Pearson, deviance, working and response residuals are
## S3 method for class 'gam' residuals(object, type = "deviance",...)
the type of residuals wanted. Usually one of
Response residuals are the raw residuals (data minus fitted values). Scaled Pearson residuals are raw residuals divided by the standard deviation of the data according to the model mean variance relationship and estimated scale parameter. Pearson residuals are the same, but multiplied by the square root of the scale parameter (so they are independent of the scale parameter): ((y-m)/V(m)^0.5, where y is data m is model fitted value and V is model mean-variance relationship.). Both are provided since not all texts agree on the definition of Pearson residuals. Deviance residuals simply return the deviance residuals defined by the model family. Working residuals are the residuals returned from model fitting at convergence.
Families can supply their own residual function, which is used in place of the standard
function if present, (e.g.
A vector of residuals.
Simon N. Wood firstname.lastname@example.org
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