Nothing
plotCoef.enetLTS <- function(object,vers=c("reweighted","raw"),
colors=NULL,...){
nam <- NULL
if(is.null(colors)){
colors <- list(bars="#0000AA",errorbars="red",
background="#BBBBEE",abline="#21A0D2",
scores="#0000AA",cutoffs="#00EEEE",
badouts="darkred", modouts="black")
}
family <- object$inputs$family
vers <- match.arg(vers)
coefficients <- object$coefficients
raw.coefficients <- object$raw.coefficients
if (family=="multinomial") {
if (vers=="reweighted") {
main <- "enetLTS coefficients for multinomial logistic regression"
plotcoefs <- data.frame(Wavelength = rep(1:nrow(coefficients),ncol(coefficients)),
class = as.character(rep(1:ncol(coefficients),each=nrow(coefficients))),
coefficients = as.vector(coefficients))
plot <- ggplot(data = plotcoefs, aes(x = Wavelength,
y = coefficients,
colour=class,
linetype=class)) +
geom_line() + geom_hline(yintercept=0, linetype="dashed",color="gray") +
labs(title=paste(names(object$inputs$yy),main)) +
theme(plot.title=element_text(size=rel(1.3),face="bold"),
axis.text.x=element_text(angle=90),
axis.text.y=element_text(size = 13),
axis.title.x=element_blank(),
axis.title.y=element_blank()) +
scale_x_continuous("", labels = as.character(1:nrow(coefficients)),
breaks = 1:nrow(coefficients))
print(plot)
} else if (vers=="raw"){
main <- "enetLTS raw coefficients for multinomial logistic regression"
raw.plotcoefs <- data.frame(Wavelength = rep(1:nrow(raw.coefficients),ncol(raw.coefficients)),
class = as.character(rep(1:ncol(raw.coefficients),each=nrow(raw.coefficients))),
raw.coefficients = as.vector(raw.coefficients))
raw.plot <- ggplot(data = raw.plotcoefs, aes(x = Wavelength,
y = raw.coefficients,
colour = class,
linetype = class)) +
geom_line() + geom_hline(yintercept=0, linetype="dashed",color="gray") +
labs(title=paste(names(object$inputs$yy),main)) +
theme(plot.title=element_text(size=rel(1.3),face="bold"),
axis.text.x=element_text(angle=90),
axis.text.y=element_text(size = 13),
axis.title.x=element_blank(),
axis.title.y=element_blank()) +
scale_x_continuous("", labels = as.character(1:nrow(raw.coefficients)), breaks = 1:nrow(raw.coefficients))
print(raw.plot)
}
} else if (family=="binomial" | family=="gaussian") {
# if coefficents is a vector
if (vers=="reweighted") {
if (family=="binomial") main <- "enetLTS coefficients for binary logistic regression"
if (family=="gaussian") main <- "enetLTS coefficients for regression"
plotcoefs <- data.frame(Wavelength = (1:length(coefficients)),
class = as.character(rep(1,length(coefficients))),
coefficients = as.vector(coefficients))
plot <- ggplot(data = plotcoefs, aes(x = Wavelength,
y = coefficients,
colour = class,
linetype = class)) +
geom_line() + geom_hline(yintercept=0, linetype="dashed",color="gray") +
labs(title=paste(names(object$inputs$yy),main)) +
theme(plot.title=element_text(size=rel(1.3),face="bold"),
legend.position="none",
axis.text.x=element_text(angle=90),
axis.text.y=element_text(size = 13),
axis.title.x=element_blank(),
axis.title.y=element_blank()) +
scale_x_continuous("", labels = as.character(1:length(coefficients)), breaks = 1:length(coefficients))
print(plot)
} else if (vers=="raw"){
if (family=="binomial") main <- "enetLTS raw coefficients for binary logistic regression"
if (family=="gaussian") main <- "enetLTS raw coefficients for regression"
raw.plotcoefs <- data.frame(Wavelength=(1:length(raw.coefficients)),
class = as.character(rep(1,length(raw.coefficients))),
raw.coefficients = as.vector(raw.coefficients))
plot <- ggplot(data = raw.plotcoefs, aes(x = Wavelength,
y = raw.coefficients,
colour = class,
linetype = class)) +
geom_line() + geom_hline(yintercept=0, linetype="dashed",color="gray") +
labs(title=paste(names(object$inputs$yy),main)) +
theme(plot.title=element_text(size=rel(1),face="bold"),
legend.position="none",
axis.text.x=element_text(angle=90),
axis.text.y=element_text(size = 13),
axis.title.x=element_blank(),
axis.title.y=element_blank()) +
scale_x_continuous("", labels = as.character(1:length(raw.coefficients)), breaks = 1:length(raw.coefficients))
print(plot)
}
}
}
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