For the data of Exercise 18.13, fit an exponentially smoothed curve with smoothing constant α = 0.4;

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For the data of Exercise 18.13, fit an exponentially smoothed curve with smoothing constant α = 0.4; with smoothing constant α = 0.7. Which constant provides more €œsmoothing€ and why? Which curve is quicker to €œcatch up€ whenever the original series changes direction and why?
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For the data of Exercise 18.13, fit an exponentially smoothed
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