Nothing
mppca.loadings.plot <-
function(output, Y, barplot=FALSE, labelsize=0.3)
{
q<-output$q
g<-output$g
if(q==1)
{
for(i in 1:g)
{
barplot2(output$loadings[,,i], ylim=c(min(output$loadings[,,i])-1, max(output$loadings[,,i])+1), ylab="Loadings", xlab="Spectral regions",
las=2, col="red", font.main = 2, plot.grid=TRUE, names.arg = colnames(Y), cex.names=labelsize, main=paste("Group ", i, sep=""))
if(i < g)
{
ask(msg = "Press <RETURN> to view the next loadings plot: ")
}
}#i
}
if(q==2)
{
if(barplot==FALSE)
{
for(i in 1:g)
{
plot(output$loadings[,,i][,1], output$loadings[,,i][,2],xlab="PC 1", ylab="PC 2", type="n", main=paste("Group ", i, sep=""))
text(output$loadings[,,i][,1], output$loadings[,,i][,2], colnames(Y), cex=1)
abline(h=0, col="red", lty=1); abline(v=0, col="red")
if(i < g)
{
ask(msg = "Press <RETURN> to view the next loadings plot: ")
}
}#i
}#if
else{
for(k in 1:g)
{
for(i in 1:q)
{
barplot2(output$loadings[,,k][,i], ylim=c(min(output$loadings[,,k][,i])-1,max(output$loadings[,,k][,i])+1), las=2, width=0.5, space=0.5, col=i, ylab="Loadings", xlab="Spectral regions", names.arg = colnames(Y), cex.names=labelsize, plot.grid=TRUE, font.main = 2, main=paste("Loadings on PC", i, " for group ", k, sep=""))
ask(msg = "Press <RETURN> to view the next loadings plot: ")
} #i
} #k
}#else
}#if
if(q>2)
{
if(barplot==FALSE)
{
for(k in 1:g)
{
pairs(output$loadings[,,k], lower.panel=function(x,y,names){text(x,y,colnames(Y), cex=0.8);abline(h=0, col="red", lty=1); abline(v=0, col="red")}, upper.panel=function(x,y,names){text(x,y,colnames(Y), cex=0.8);abline(h=0, col="red", lty=1); abline(v=0, col="red")}, labels=paste("PC", 1:q, sep=""), main=paste("Loadings for group ", k, sep=""))
ask(msg = "Press <RETURN> to view the next loadings plot: ")
}
}else{
for(k in 1:g)
{
for(i in 1:q)
{
barplot2(output$loadings[,,k][,i], ylim=c(min(output$loadings[,,k][,i])-1,max(output$loadings[,,k][,i])+1), las=2, width=0.5, space=0.5, col=i, ylab="Loadings", xlab="Spectral regions", names.arg = colnames(Y), cex.names=labelsize, plot.grid=TRUE, font.main = 2, main=paste("Loadings on PC", i, " group", k, sep=""))
ask(msg = "Press <RETURN> to view the next loadings plot: ")
} #i
}#k
} # else
}
} # End plot.mppca.loadings
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