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### Copyright (C) 1998, 1999
### Justin Lokhorst <jlokhors@stats.adelaide.edu.au>
### Berwin A. Turlach <bturlach@stats.adelaide.edu.au>
### Bill Venables <wvenable@stats.adelaide.edu.au>
###
### This library is free software; you can redistribute it and/or
### modify it under the terms of the GNU Library General Public
### License as published by the Free Software Foundation; either
### version 2 of the License, or (at your option) any later version.
###
### This library is distributed in the hope that it will be useful,
### but WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
### Library General Public License for more details.
###
### You should have received a copy of the GNU Library General Public
### License along with this library; if not, write to the Free Software
### Foundation, Inc., 59 Temple Place, Suite 330, Boston,
### MA 02111-1307 USA
residuals.l1ce <-
function(object, type = c("working", "pearson", "deviance"), ...)
{
type <- match.arg(type)
switch(type,
working = object$residuals,
pearson =, deviance =
if(is.null(object$weights)) object$residuals else
residuals.glm(object, "pearson")
)
}
residuals.l1celist <-
function(object, type = c("working", "pearson", "deviance"), ...)
{
type <- match.arg(type)
resid <- do.call("cbind", lapply(object, "[[", "residuals"))
weights <- attr(object, "weights")
switch(type,
working = resid,
pearson =, deviance =
if(is.null(weights)) resid else sqrt(weights)*resid
)
}
residuals.gl1ce <-
function(object, type = c("deviance", "pearson", "working", "response"),
...)
{
type <- match.arg(type)
switch(type,
working = object$residuals,
pearson = sqrt(object$weights) * object$residuals,
## MM: the above does *not* seem the same as for summary.glm()
deviance = {
y <- object$y
mu <- object$fitted
family <- object$family
w <- object$prior.weights
if(is.null(w))
w <- rep(1, length(mu))
family$deviance(mu, y, w, residuals=TRUE)
},
response = object$y - fitted(object) )
}
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