Nothing
##
## plotres
##
plotres <- function (x){
if (!inherits(x, "ca.jo"))
stop("\nObject is not of class 'ca.jo' \n")
resids <- x@Z0 - x@Z1%*%t(x@GAMMA) - x@ZK%*%t(x@PI)
oldpar <- par(no.readonly = TRUE)
on.exit(par(oldpar))
par(mfrow = c(1, 1))
for (i in 1:x@P) {
layout(matrix(c(1, 2, 1, 3), 2, 2))
plot.ts(resids[, i], main = paste("Residuals of ", i, ". VAR regression", sep = ""), ylab = "", xlab = "")
abline(h = 0, col = "red")
acf(x@R0[, i], main = "Autocorrelations of Residuals")
pacf(x@R0[, i], main = "Partial Autocorrelations of Residuals")
if (interactive()){
cat("\nType <Return> to continue: ")
readline()
}
}
}
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