mgcv library code residuals.gam.
It returns residuals for a fitted scam model
object. Pearson, deviance, working and response residuals are
available.## S3 method for class 'scam':
residuals(object, type = c("deviance", "pearson","scaled.pearson",
"working", "response"),...)scam fitted model object.residuals.gam for details.scam