Nothing
#############################################################################
### LINEARIZEDRESPONSE - ETA - PLOT
#############################################################################
lep <- function(mymodel, id=c("all","none"), ...){
standardGeneric("lep")
}
setGeneric("lep", def=lep)
#############################################################################
### synonym
#############################################################################
linearizedResponse.linearPredictor <- lep
#############################################################################
### GLM
#############################################################################
### name:
### y (linearized response) against e (eta, the linear predictor)
###
lep.glm <- function(mymodel, id=c("all", "none"), ...){
### ================================= checking
if( class(mymodel)[1]!="glm" ){stop("the model has to be of class glm")}
id <- match.arg(id)
### ================================= reading
f <- parseFormula(mymodel)
## predicted <- predict(mymodel)
## response.var <- all.vars(formula(mymodel))[1]
## mydata <- mymodel$data
## ## the response values
## to.eval <- paste("response.values <- mydata","$",response.var,sep="")
## eval(parse(text=to.eval))
### ================================= calculation
## x values
eta <- predict(mymodel, type="link")
## y values
mu <- predict(mymodel, type="response")
predicted <- predict(mymodel, type="link")
##response.values <- mymodel$data[,]### at WORK
linearizedResponse <- predicted + (f@response.values - mu) / mu
### ================================= plot
for.ploting <- xyplot(linearizedResponse ~ eta,
main="lep.glm \n linearized response vs. linear predictor plot",
xlab=expression(paste("linear predictor ", hat(eta))),
ylab=paste("linearized response")
)
print(for.ploting)
### ================================= identification
identifyControl(panel.matrix=trellis.currentLayout(),
original.row.names=row.names(f@data),
id=id)
## if(id=="all"){
## selection.message <- "By clicking on the (first) mouse button selected points are identified\n"
## selection.message.continue <- "(click a mouse other than the first (or ESC) to continue)\n"
## cat(selection.message)
## cat(selection.message.continue)
## identified <- NULL
## trellis.focus("panel", 1, 1)
## ## print(dat$name)
## identified <- panel.identify(labels=rownames(dat))
## return(identified)
## }
}
### ================================= method
setMethod("lep", "glm", lep.glm)
#############################################################################
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