Nothing
old.par <- par(no.readonly = TRUE)
palette(c("#A6CEE3", "#1F78B4", "#B2DF8A", "#33A02C", "#FB9A99", "#E31A1C",
"#FDBF6F", "#FF7F00", "#CAB2D6", "#6A3D9A", "#FFFF99", "#B15928"))
data(iris)
Y = iris[,-5]
lbl= as.numeric(iris[,5])
K = 3
set.seed(12345)
Tinit = t(rmultinom(150,1,c(rep(1/K,K))))
U = fem(Y,3,init='user',Tinit=Tinit,model='AkB',maxit=1,method='gs',eps=1e-3,disp=FALSE)$U
cls1 = cls = max.col(Tinit)
for (i in 1:15){
# x11()
# def.par <- par(no.readonly = TRUE)
x = as.matrix(Y)%*%U
min1= round(min(x[,1]),1)-1
max1= round(max(x[,1],1))+1
min2= round(min(x[,2]),1)-1
max2= round(max(x[,2]),1)+1
cls[cls==1]='lightgreen'
cls[cls==2]='gray'
cls[cls==3]='darkblue'
x1 = split(x[,1],cls)
x2 = split(x[,2],cls)
xhist1 <- hist(x1$'lightgreen',breaks=seq(min1,max1,0.1), plot=FALSE)
xhist2 <- hist(x1$'gray',breaks=seq(min1,max1,0.1), plot=FALSE)
xhist3 <- hist(x1$'darkblue',breaks=seq(min1,max1,0.1), plot=FALSE)
yhist1 <- hist(x2$'lightgreen',breaks=seq(min2,max2,0.1), plot=FALSE)
yhist2 <- hist(x2$'gray',breaks=seq(min2,max2,0.1), plot=FALSE)
yhist3 <- hist(x2$'darkblue',breaks=seq(min2,max2,0.1), plot=FALSE)
topX <- max(c(xhist1$counts,xhist2$counts,xhist3$counts))
topY <- max(c(yhist3$counts,yhist3$counts,yhist3$counts))
nf <- layout(matrix(c(2,0,1,3),2,2,byrow=TRUE), c(3,1), c(1,3), TRUE)
xrange <- c(min1,max1)
yrange <- c(min2,max2)
par(mar=c(3,3,1,1))
plot(x,col=as.numeric(as.factor(cls)),pch=cls1,xlim=xrange, ylim=yrange,cex=1.5)
# , xlim=xrange, ylim=yrange, xlab="", ylab="")
par(mar=c(0,3,1,1))
barplot(xhist1$counts, axes=FALSE,col=1,ylim=c(0,topX), space=0)
barplot(xhist2$counts, axes=FALSE,col=2, ylim=c(0,topX), space=0,add=T)
barplot(xhist3$counts, axes=FALSE,col=3, ylim=c(0,topX), space=0,add=T)
par(mar=c(3,0,1,1))
barplot(yhist1$counts, axes=FALSE,col=1, xlim=c(0,topY), space=0, horiz=TRUE)
barplot(yhist2$counts, axes=FALSE,col=2, xlim=c(0,topY), space=0, horiz=TRUE,add=T)
barplot(yhist3$counts, axes=FALSE,col=3, xlim=c(0,topY), space=0, horiz=TRUE,add=T)
res = fem(Y,3,init='user',Tinit=Tinit,model='AkB',maxit=1,method='gs',eps=1e-3,disp=FALSE)
Tinit = res$P
cls1 = cls = res$cls
U = res$U
}
par(old.par)
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