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plot_wave.local.multiple.regression <- #3.1.0.
function(Lst,nsig=2, xaxt="s"){
##Producing regression plot
# requireNamespace(magrittr)
if (xaxt[1]!="s"){
at <- xaxt[[1]]
label <- xaxt[[2]]
xaxt <- "n"
}
cor <- Lst$cor
reg <- Lst$reg
YmaxR <- Lst$YmaxR
J <- length(Lst$YmaxR)-1
N <- length(Lst$data[[1]][[1]])
xxnames <- names(Lst$data)
reg.vars <- t(matrix(xxnames,length(Lst$data),N)) #xy.mulcor$xy.mulreg$vars[1:J,]
valnames <- c(paste("level",1:J),paste("s",J))
# requireNamespace(RColorBrewer)
mycolors <- RColorBrewer::brewer.pal(n=8, name="Dark2")
par(mfrow=c(ceiling((J+1)/2),2), las=1, pty="m", mar=c(2,3,1,0)+.1, oma=c(1.2,1.2,0,0))
for (j in (J+1):1){
reg.vals <- reg[[j]]$rval[,-1] #exclude constant
reg.stdv <- reg[[j]]$rstd[,-1]
reg.lows <- reg[[j]]$rlow[,-1]
reg.upps <- reg[[j]]$rupp[,-1]
reg.pval <- reg[[j]]$rpva[,-1]
reg.order <- reg[[j]]$rord[,-1]-1
reg.order[reg.order==0] <-
reg.vals[reg.order==0] <- #exclude dependent variable
reg.stdv[reg.order==0] <-
reg.lows[reg.order==0] <-
reg.upps[reg.order==0] <-
reg.pval[reg.order==0] <- NA
reg.sel <- reg.order<=nsig & reg.pval<=0.05 #select firs nsig 5%signif. predictors
reg.vals.sig <- reg.vals*reg.sel
reg.lows.sig <- reg.lows*reg.sel
reg.upps.sig <- reg.upps*reg.sel
# reg.pval.sig <- reg.pval*reg.sel
reg.order.sig <- reg.order*reg.sel
reg.vals.sig[reg.vals.sig==0] <-
reg.lows.sig[reg.lows.sig==0] <-
reg.upps.sig[reg.upps.sig==0] <-
# reg.pval.sig[reg.pvals.sig==0] <-
reg.order.sig[reg.order.sig==0] <- NA
# ymin <- min(reg.lows,na.rm=TRUE)
# ymax <- max(reg.upps,na.rm=TRUE)
ymin <- min(reg.vals,na.rm=T)
ymax <- max(reg.vals,na.rm=T)
mark <- paste0("\u00A9jfm-wavemulcor3.1.0_",Sys.time()," ")
matplot(1:N,reg.vals, ylim=c(ymin-0.1,ymax+0.1),
type="n", xaxt=xaxt, lty=3,
xlab="", ylab="", main=valnames[j], col=8)
# shade <- 1.96*reg.stdv %>% apply(1,max)
for (i in ncol(reg.stdv):1){
shade <- 1.96*reg.stdv[,i]
polygon(c(1:N,rev(1:N)),c(-shade,rev(shade)), col=gray(0.8,alpha=0.2), border=NA)
}
matlines(1:N,reg.vals, lty=1, col=8)
# v <- (reg.vals*(reg.pval<=0.05) %>% replace(.==0,NA)) #%>% replace(.==-1.,NA)
# matlines(1:N,v, lty=1, col=mycolors[8])
if(abs(ymax-ymin)<3) lo<-2 else lo<-4
abline(h=seq(floor(ymin),ceiling(ymax),length.out=lo),col=8)
matlines(1:N, reg.vals.sig, lty=1, lwd=2, col=mycolors)
matlines(1:N, reg.lows.sig, lty=2, col=mycolors)
matlines(1:N, reg.upps.sig, lty=2, col=mycolors)
mtext(mark, side=1, line=-1, adj=1, col=rgb(0,0,0,.1),cex=.2)
if(j<=(J+1) & xaxt!="s") {axis(side=1, at=at, labels=label)}
col <- (reg.order.sig<=nsig)*1 +(reg.order.sig>=nsig)*8
# xvar <- seq(1,N,M)
xvar <- t(t(which(abs(diff(sign(diff(reg.vals.sig))))==2,arr.ind=T))+c(1,0))
text(xvar[,1], reg.vals.sig[xvar], labels=reg.vars[xvar], col=col[xvar], cex=.8)
text(xvar[,1], reg.vals.sig[xvar], labels=reg.order[xvar],pos=1, col=col[xvar],cex=.5)
# if (length(unique(YmaxR[[j]]))==1) {
# mtext(xxnames[YmaxR[[j]][1]], at=1, side=3, line=-1, cex=.8)
# } else {
# xvaru <- t(t(which(diff(sign(diff(as.matrix(cor[[j]][["val"]]))))==-2))+1)
# xvarl <- t(t(which(diff(sign(diff(as.matrix(cor[[j]][["val"]]))))==2))+1)
# xvar <- t(t(which(abs(diff(sign(diff(as.matrix(cor[[j]][["val"]])))))==2))+1)
# xvar2 <- xvar[-length(xvar)]+diff(xvar)/2
# mtext(xxnames[YmaxR[[j]][xvaru]], at=xvaru, side=3, line=-.5, cex=.5)
# mtext(xxnames[YmaxR[[j]][xvar2]], at=xvar2, side=3, line=-1, cex=.5)
# mtext(xxnames[YmaxR[[j]][xvarl]], at=xvarl, side=3, line=-1.5, cex=.5)
# }
}
par(las=0)
# mtext('time', side=1, outer=TRUE, adj=0.5)
mtext('Wavelet Local Multiple Regression', side=2, outer=TRUE, adj=0.5)
return()
}
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