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.reg3dnResidual <-
function(lm.out, pdf=FALSE, width=5, height=5, manage.gr=FALSE, ...) {
nm <- all.vars(lm.out$terms) # names of vars in the model
n.vars <- length(nm)
n.keep <- nrow(lm.out$model)
# pdf graphics option
if (pdf) {
pdf_file <- "RegResiduals.pdf"
pdf(file=pdf_file, width=width, height=height)
}
# keep track of the plot in this routine
plt.i <- 0L
plt.title <- character(length=0)
plt.i <- plt.i + 1L
plt.title[plt.i] <- "Distribution of Residuals"
lab_cex <- getOption("lab_cex")
options(lab_cex=0.9)
# frequency distribution of residuals
.dn.main(lm.out$residuals,
fill_hist=getOption("se_fill"),
col.nrm="gray40", col.gen="gray40",
fill_nrm="transparent", fill_gen="transparent",
xlab="Residuals", quiet=TRUE)
if (pdf) {
dev.off()
.showfile(pdf_file, "residuals plot")
}
options(lab_cex=lab_cex)
return(invisible(list(i=plt.i, ttl=plt.title)))
}
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