Nothing

```
plot.gpava <- function (x, main = "PAVA Plot", xlab = "Predictor", ylab = "Response",
col = "lightblue",...)
{
#x ... object of class pava
o <- order(x$z)
xval <- x$z[o]
yval <- x$x[o]
xcum <- c(xval[1] - mean(diff(xval)), xval)
jumps <- ((1:length(yval))[!duplicated(yval)]-1)[-1] #jumps of fitted step function
jumps <- c(1, jumps, length(xval))
if (is.list(x$y)) {
if (is.na(x$p)) {
plot(xcum, c(NA, (mapply(x$solver, x$y, x$w)[o])), xlab = xlab, ylab = ylab, main = main)
} else {
plot(xcum, c(NA, (mapply(x$solver, x$y, x$w, x$p)[o])), xlab = xlab, ylab = ylab, main = main)
}
} else {
plot(xcum, c(NA, x$y[o]), xlab = xlab, ylab = ylab, main = main)
}
lines(xval, yval, col = col, lwd = 1, type = "S")
points(xval[jumps], yval[jumps], col = col, pch = 13)
grid()
}
```

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