ALSE, ncol=2), 
     pch=matrix(rep(c(1, 15), ncol(x)), byrow=TRUE, ncol=2),
     lwd=matrix(rep(c(1, 0.8), ncol(x)), byrow=TRUE, ncol=2),
     lty=matrix(rep(c(1, 3), ncol(x)), byrow=TRUE, ncol=2),                        
     cex=rep(0.1, ncol(x)), cex.axis=1.2, cex.lab=1.2, 
     leg.txt=c("OBS", colnames(x), "95PPU"),  leg.cex=1, leg.pos="auto", 
     verbose= TRUE,  thr.shw=TRUE, border=rep(NA, ncol(x)), 
     bands.col=rep("lightcyan", ncol(x)), bands.density=rep(NULL, ncol(x)), 
     bands.angle=rep(