Nothing
lag1.plot <-
function(series, max.lag=1, corr=TRUE, smooth=TRUE, col=gray(.1),
lwl=1, lwc=2, bgl=gray(1,.65), ltcol=1, box.col=8, cex=.9, ...){
name1 = paste(deparse(substitute(series)),"(t-",sep="")
name2 = paste(deparse(substitute(series)),"(t)",sep="")
max.lag = as.integer(max.lag)
prow = ceiling(sqrt(max.lag))
pcol = ceiling(max.lag/prow)
a = acf1(series, max.lag, plot=FALSE)
old.par <- par(no.readonly = TRUE)
series = as.ts(series)
par(mfrow = c(prow, pcol))
for(h in 1:max.lag){
u = ts.intersect(stats::lag(series,-h), series)
tsplot(u[,1], u[,2], type='p', xy.labels=FALSE, xy.lines=FALSE,
xlab=paste(name1,h,")",sep=""), ylab=name2, col=col, cex=cex, ...)
if (smooth)
lines(stats::lowess(u[,1], u[,2]), col=lwc, lwd=lwl)
if (corr)
legend("topright", legend=format(round(a[h], digits=2), nsmall=2),
text.col=ltcol, bg=bgl, adj=.25, box.col=box.col, cex=.9)
}
on.exit(par(old.par))
}
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