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I have GDP time series, 1980-2015. I want to plot a polynomial trendline and show a graph of it, including 95% confidence bound on both sides of the trend line. I run the following regression: ls gdp c @trend^2 @trend. How would I now get the plot of this trendline including the confidence bound?

Thanks!

After estimation use the Forecast tab to generate not only the forecast but also the standard error. Then use the standard error series to generate your own confidence bands for plotting.

Thank you!