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##################################################################################################################
###################################### Plot functions ###################################################
##################################################################################################################
.HBSTM.resid.plot=function(object,point,ARlags,ARperiod){
if(missing(point)) point=sample(1:dim(object@newGrid)[1],1)
if(is.na(object@fitted[1,1,1])) stop("The object does not have stored fitted values\n")
Et=object@Zt-object@K%*%object@fitted[,,1]+object@Parameters@sigma2E
Et=Et[point,]
dev.new()
layout.show(layout(mat=matrix(c(1,2,3,3),ncol=2,nrow=2,byrow=TRUE)))
hist(Et,main=paste("Residuals histogram in s=",point,sep=""))
plot(Et,main=paste("Residuals in s=",point,sep=""))
abline(h=0,col=2)
qqnorm(Et,main=paste("Normal Q-Q Plot Residuals in s=",point,sep=""))
qqline(Et,col=2,lwd=2)
dev.new()
if(missing(ARlags)) ARlags=NULL
if(missing(ARperiod)){
color=1
}else{
color=c(rep(1,ARperiod-1),2)
}
par(mfrow=c(2,2))
acf(Et,lag.max=ARlags,col=color,main=paste("ACF of the residuals in s=",point,sep=""))
pacf(Et,lag.max=ARlags,col=color,main=paste("ACF of the residuals in s=",point,sep=""))
acf(Et^2,lag.max=ARlags,col=color,main=paste("ACF of the residuals^2 in s=",point,sep=""))
pacf(Et^2,lag.max=ARlags,col=color,main=paste("ACF of the residuals^2 in s=",point,sep=""))
return(invisible())
}
setMethod(f="plotRes",signature=c("HBSTM","ANY","ANY","ANY"),definition=.HBSTM.resid.plot)
plotCI.aux=function(name,spatTemp,mat,labnames,las){
if(missing(las)) las=0
plot(x=1:length(spatTemp),ylim=c(min(mat[,2]),max(mat[,3])),xlim=c(0.5,length(spatTemp)+0.5),type="n",ylab="Values",xlab="",main=name,xaxt="n")
axis(1,at=1:length(spatTemp),labels=labnames,las=las)
for(i in 1:length(spatTemp)){
arrows(x0=i,y0=mat[i,2],x1=i,y1=mat[i,3],code=3,angle=90,length=0.1)
points(x=i,y=mat[i,1])
}
}
plotCI.spatial=function(name,spat,labs,inter,report=FALSE,nplot){
if(length(spat)<5){
if(report){
jpeg(paste("plot-",nplot,".jpeg",sep=""))
}else{
dev.new()
}
par(omi=c(0,0,0.2,0))
if(length(spat)==1) layout(matrix(1,nrow=1,ncol=1))
if(length(spat)==2) layout(matrix(1:2,nrow=2,ncol=1))
if(length(spat)==3) layout(matrix(c(1:3,0),nrow=2,ncol=2))
if(length(spat)==4) layout(matrix(c(1:4),nrow=2,ncol=2))
}else{
if(length(spat)<7){
if(report){
jpeg(paste("plot-",nplot,".jpeg",sep=""))
}else{
dev.new(width=15)
}
par(omi=c(0,0,0.2,0))
layout(matrix(c(1:length(spat)),nrow=2,ncol=3))
}else{
if(report){
jpeg(paste("plot-",nplot,".jpeg",sep=""))
}else{
dev.new(width=20)
}
layout(matrix(c(1:length(spat)),nrow=2,ncol=4))
}
}
for(k in 1:length(spat)){
mat=as.data.frame(matrix(NA,ncol=3,nrow=dim(spat[[k]])[2]))
for(i in 1:dim(spat[[k]])[2]){
mat[i,]=mat.aux(spat[[k]][,i],inter)
}
plotCI.aux(name=names(spat)[k],spatTemp=1:dim(spat[[k]])[2],mat=mat,labnames=paste(names(spat)[k],1:dim(spat[[k]])[2],sep=""))
}
if(length(spat)<5){
mtext(name,line=-1,outer=TRUE,font=2,cex=1.2)
}else{
mtext(name,line=-1.5,outer=TRUE,font=2,cex=1.2)
}
}
auxplotFit=function(long,lat,Zt,main){
surf=linearInterp(long ,lat,Zt,gridPoints=as.integer(length(Zt)*0.8))
image(surf$x,surf$y,surf$z, add = F,col=topo.colors(12),xlab="LON",ylab="LAT",main=main)
contour(surf$x,surf$y,surf$z,add = TRUE)
}
.HBSTM.plotFit=function(object,time,values){
if(missing(time)) time=dim(object@Zt)[2]
if(missing(values)) values=FALSE
longlat=object@newGrid
Zt=object@Zt[,time]
dev.new()
layout(matrix(c(1,1,2,2,0,3,3,0),nrow=2,ncol=4,byrow=TRUE))
auxplotFit(long=longlat[,1],lat=longlat[,2],Zt=object@Zt[,time],main=paste("Zt observations in t =",time))
auxplotFit(long=longlat[,1],lat=longlat[,2],Zt=object@K%*%object@fitted[,time,1]+object@Parameters@sigma2E,main=paste("Zt estimations in t =",time))
auxplotFit(long=longlat[,1],lat=longlat[,2],Zt=object@Zt[,time]-(object@K%*%object@fitted[,time,1]+object@Parameters@sigma2E),main=paste("Residuals in t =",time))
if(values){
return(data.frame(Zt=object@Zt[,time],EstZt=object@K%*%object@fitted[,time,1]+object@Parameters@sigma2E,Et=object@Zt[,time]-object@K%*%object@fitted[,time,1]+object@Parameters@sigma2E))
}else{
return(invisible())
}
}
setMethod(f="plotFit",signature=c("HBSTM","ANY","ANY"),definition=.HBSTM.plotFit)
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