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Time-series analysis for porcine reproductive and respiratory syndrome in the United States

Fig 4

Model fit (left graph) and diagnostics (right graph) for time series models from: D. Nebraska; and E. Illinois.

Diagnostics include plotting of standardized residuals (top right graph), autocorrelation function (ACF, middle right graph), and partial autocorrelation function (PACF, bottom right graph).

Fig 4