Nothing
### it is suggested to close all graphical devices before plotting altf2() results, i.e., to use the command graphics.off()
### requires "png" and "gplots" packages
plot.altf2 <- function(x, non.interactive=NULL, ...)
{
oldpar <- par(no.readonly=TRUE)
on.exit(par(oldpar))
if (is.null(non.interactive))
{
non.interactive <- FALSE
}
nmods <- length(x$y.hat)
plot1g <- function(x)
{
col <- rich.colors(nmods, palette="temperature", rgb=FALSE, plot=FALSE)
names <- colnames(x$coeff.[[1]])
inc <- vector()
inc[1] <- 1
for (i in 1:7)
{
inc[i+1] <- floor(i * length(x$y)/7)
}
labs <- rownames(x$y)[inc]
width <- 480
height <- 300
m1 <- vector()
m2 <- vector()
for (j in 1:(length(names)))
{
if (names(x$coeff.)[1]=="av. OLS")
{
m1.t <- matrix(x$coeff.[[1]][,j],ncol=1,nrow=length(x$y))
}
else
{
m1.t <- x$coeff.[[1]][,j]
}
for (ii in 1:nmods)
{
if (names(x$coeff.)[ii]=="av. OLS")
{
m1.t2 <- matrix(x$coeff.[[ii]][,j],ncol=1,nrow=length(x$y))
}
else
{
m1.t2 <- x$coeff.[[ii]][,j]
}
m1.t <- cbind(m1.t, m1.t2)
}
m1[j] <- min(m1.t,na.rm=TRUE)
m2[j] <- max(m1.t,na.rm=TRUE)
}
for (j in 1:(length(names)))
{
mypath <- file.path(tempdir(), paste("altf2_coeff_", j, ".png", sep = ""))
png(filename = mypath, height = height)
par(xpd=TRUE, fig = c(0, 1, 0, 1), oma = c(2, 1, 1, 1), mar = c(5, 1, 2, 1))
plot(index(x$y), rep(NA,length(index(x$y))), lty=2, type="l", col="white", ylim=c(m1[j],m2[j]),
axes=TRUE, xaxt='n', xlab="", ylab="", main=names[j])
par(new=TRUE)
for (ii in 1:nmods)
{
if (names(x$coeff.)[ii]=="av. OLS")
{
plot(index(x$y),rep(x$coeff.[[ii]][,j],length(x$y)),col=col[ii],ylim=c(m1[j],m2[j]),
axes=FALSE, xaxt='n', xlab='', ylab='', type="l", main='')
}
else
{
plot(index(x$y),x$coeff.[[ii]][,j],col=col[ii],ylim=c(m1[j],m2[j]),
axes=FALSE, xaxt='n', xlab='', ylab='', type="l", main='')
}
par(new=TRUE)
}
axis(1, at=inc, labels=labs)
legend('bottom', inset=c(0,-0.40), names(x$coeff.), lty=rep(1,ii), col=col[1:ii], ncol=4, cex=0.9)
dev.off()
}
img <- list()
for (i in 1:(length(names)))
{
mypath <- file.path(tempdir(), paste("altf2_coeff_", i, ".png", sep = ""))
img[[i]] <- readPNG(mypath)
}
png(filename="altf2_coeff_all.png", width = 2 * width, height = height * ceiling((length(names))/2))
par(mar=c(0,0,0,0))
layout(matrix(1:(2*ceiling((length(names))/2)), ncol=2, byrow=TRUE))
for(i in 1:(length(names)))
{
plot(NA,xlim=0:1,ylim=0:1,xaxt="n",yaxt="n",bty="n")
rasterImage(img[[i]],0,0,1,1)
}
dev.off()
}
plot2g <- function(x)
{
col <- rich.colors(nmods, palette="temperature", rgb=FALSE, plot=FALSE)
names <- colnames(x$coeff.[[1]])
inc <- vector()
inc[1] <- 1
for (i in 1:7)
{
inc[i+1] <- floor(i * length(x$y)/7)
}
labs <- rownames(x$y)[inc]
width <- 480
height <- 300
for (j in 1:(length(names)))
{
mypath <- file.path(tempdir(), paste("altf2_p_val_", j, ".png", sep = ""))
png(filename = mypath, height = height)
par(xpd=TRUE, fig = c(0, 1, 0, 1), oma = c(2, 1, 1, 1), mar = c(5, 1, 2, 1))
plot(index(x$y), rep(NA,length(index(x$y))), lty=2, type="l", col="white", ylim=c(0,1),
axes=TRUE, xaxt='n', xlab="", ylab="", main=names[j])
par(new=TRUE)
for (ii in 1:nmods)
{
if (names(x$p.val)[ii]=="av. OLS")
{
plot(index(x$y),rep(x$p.val.[[ii]][,j],length(x$y)),col=col[ii],ylim=c(0,1),
axes=FALSE, xaxt='n', xlab='', ylab='', type="l", main='')
}
else
{
if (! names(x$p.val)[ii]=="av. TVP")
{
plot(index(x$y),x$p.val.[[ii]][,j],col=col[ii],ylim=c(0,1),
axes=FALSE, xaxt='n', xlab='', ylab='', type="l", main='')
}
}
par(new=TRUE)
}
axis(1, at=inc, labels=labs)
if ("av. TVP" %in% names(x$coeff.))
{
if (length(names(x$coeff.))==1)
{
legend('bottom', inset=c(0,-0.40), c(""), lty=rep(1,(ii-1)), col=col[1:(ii-1)], ncol=3, cex=0.9)
}
else
{
legend('bottom', inset=c(0,-0.40), names(x$coeff.)[-length(names(x$coeff.))], lty=rep(1,(ii-1)), col=col[1:(ii-1)], ncol=3, cex=0.9)
}
}
else
{
legend('bottom', inset=c(0,-0.40), names(x$coeff.), lty=rep(1,ii), col=col[1:ii], ncol=3, cex=0.9)
}
dev.off()
}
img <- list()
for (i in 1:(length(names)))
{
mypath <- file.path(tempdir(), paste("altf2_p_val_", i, ".png", sep = ""))
img[[i]] <- readPNG(mypath)
}
png(filename="altf2_p_val_all.png", width = 2 * width, height = height * ceiling((length(names))/2))
par(mar=c(0,0,0,0))
layout(matrix(1:(2*ceiling((length(names))/2)), ncol=2, byrow=TRUE))
for(i in 1:(length(names)))
{
plot(NA,xlim=0:1,ylim=0:1,xaxt="n",yaxt="n",bty="n")
rasterImage(img[[i]],0,0,1,1)
}
dev.off()
}
plot3g <- function(x)
{
col <- rich.colors(ncol(x$weights[[1]]), palette="temperature", rgb=FALSE, plot=FALSE)
names <- names(x$weights)
inc <- vector()
inc[1] <- 1
for (i in 1:7)
{
inc[i+1] <- floor(i * length(x$y)/7)
}
labs <- rownames(x$y)[inc]
width <- 480
height <- 300
for (j in 1:(length(names)))
{
mypath <- file.path(tempdir(), paste("altf2_weights_", j, ".png", sep = ""))
png(filename = mypath, height = height)
par(xpd=TRUE, fig = c(0, 1, 0, 1), oma = c(2, 1, 1, 1), mar = c(2, 1, 2, 1))
plot(index(x$y), rep(NA,length(index(x$y))), lty=2, type="l", col="white", ylim=c(0,1),
axes=TRUE, xaxt='n', xlab="", ylab="", main=names[j])
par(new=TRUE)
for (ii in 1:ncol(x$weights[[1]]))
{
if (names(x$weights)[j]=="av. OLS")
{
plot(index(x$y),rep(x$weights[[j]][,ii],length(x$y)),col=col[ii],ylim=c(0,1),
axes=FALSE, xaxt='n', xlab='', ylab='', type="l", main='')
}
else
{
plot(index(x$y),x$weights[[j]][,ii],col=col[ii],ylim=c(0,1),
axes=FALSE, xaxt='n', xlab='', ylab='', type="l", main='')
}
par(new=TRUE)
}
axis(1, at=inc, labels=labs)
dev.off()
}
img <- list()
for (i in 1:(length(names)))
{
mypath <- file.path(tempdir(), paste("altf2_weights_", i, ".png", sep = ""))
img[[i]] <- readPNG(mypath)
}
png(filename="altf2_weights_all.png", width = 2 * width, height = height * ceiling((length(names))/2))
par(mar=c(0,0,0,0))
layout(matrix(1:(2*ceiling((length(names))/2)), ncol=2, byrow=TRUE))
for(i in 1:(length(names)))
{
plot(NA,xlim=0:1,ylim=0:1,xaxt="n",yaxt="n",bty="n")
rasterImage(img[[i]],0,0,1,1)
}
dev.off()
}
plot4g <- function(x)
{
col <- rich.colors(nmods, palette="temperature", rgb=FALSE, plot=FALSE)
names <- colnames(x$coeff.[[1]])
inc <- vector()
inc[1] <- 1
for (i in 1:7)
{
inc[i+1] <- floor(i * length(x$y)/7)
}
labs <- rownames(x$y)[inc]
width <- 480
height <- 300
for (j in 1:(length(names)))
{
mypath <- file.path(tempdir(), paste("altf2_rvi_", j, ".png", sep = ""))
png(filename = mypath, height = height)
par(xpd=TRUE, fig = c(0, 1, 0, 1), oma = c(2, 1, 1, 1), mar = c(5, 1, 2, 1))
plot(index(x$y), rep(NA,length(index(x$y))), lty=2, type="l", col="white", ylim=c(0,1),
axes=TRUE, xaxt='n', xlab="", ylab="", main=names[j])
par(new=TRUE)
for (ii in 1:nmods)
{
if (names(x$rel.var.imp.)[ii]=="av. OLS")
{
plot(index(x$y),rep(x$rel.var.imp.[[ii]][,j],length(x$y)),col=col[ii],ylim=c(0,1),
axes=FALSE, xaxt='n', xlab='', ylab='', type="l", main='')
}
else
{
plot(index(x$y),x$rel.var.imp.[[ii]][,j],col=col[ii],ylim=c(0,1),
axes=FALSE, xaxt='n', xlab='', ylab='', type="l", main='')
}
par(new=TRUE)
}
axis(1, at=inc, labels=labs)
legend('bottom', inset=c(0,-0.40), names(x$coeff.), lty=rep(1,ii), col=col[1:ii], ncol=4, cex=0.9)
dev.off()
}
img <- list()
for (i in 1:(length(names)))
{
mypath <- file.path(tempdir(), paste("altf2_rvi_", i, ".png", sep = ""))
img[[i]] <- readPNG(mypath)
}
png(filename="altf2_rvi_all.png", width = 2 * width, height = height * ceiling((length(names))/2))
par(mar=c(0,0,0,0))
layout(matrix(1:(2*ceiling((length(names))/2)), ncol=2, byrow=TRUE))
for(i in 1:(length(names)))
{
plot(NA,xlim=0:1,ylim=0:1,xaxt="n",yaxt="n",bty="n")
rasterImage(img[[i]],0,0,1,1)
}
dev.off()
}
plot5g <- function(x)
{
col <- rich.colors(nmods, palette="temperature", rgb=FALSE, plot=FALSE)
names <- names(x$weights)
inc <- vector()
inc[1] <- 1
for (i in 1:7)
{
inc[i+1] <- floor(i * length(x$y)/7)
}
labs <- rownames(x$y)[inc]
par(xpd=TRUE, fig = c(0, 1, 0, 1), oma = c(2, 1, 1, 1), mar = c(7, 1, 2, 1))
for (j in 1:(length(names)))
{
if (names(x$exp.var.)[j]=="av. OLS")
{
plot(index(x$y),rep(as.vector(x$exp.var.[[j]]),length(x$y)),col=col[j],ylim=c(0,ncol(x$coeff.[[1]])),
axes=TRUE, xaxt='n', xlab='', ylab='', type="l", main='exp. var.')
par(new=TRUE)
}
else
{
plot(index(x$y),as.vector(x$exp.var.[[j]]),col=col[j],ylim=c(0,ncol(x$coeff.[[1]])),
axes=TRUE, xaxt='n', xlab='', ylab='', type="l", main='exp. var.')
par(new=TRUE)
}
axis(1, at=inc, labels=labs)
legend('bottom', inset=c(0,-0.45), names(x$coeff.), lty=rep(1,j), col=col[1:j], ncol=4, cex=0.9)
}
}
if (non.interactive == FALSE)
{
choices <- c("expected coefficients - separate plots (files in temporary directory)",
"p-values for t-tests - separate plots (files in temporary directory)",
"models' weights - separate plots (files in temporary directory)",
"relative variable importance (files in temporary directory)",
"expected number of variables (incl. constant)")
pick <- menu(choices = paste(" ", choices), title = "\nMake a plot selection (or 0 to exit):")
switch(pick, plot1g(x), plot2g(x), plot3g(x), plot4g(x), plot5g(x))
}
else
{
plot1g(x)
plot2g(x)
plot3g(x)
plot4g(x)
plot5g(x)
}
}
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