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Holt-Winters UDF for Netezza
This project forked from pierre/holt-winters
Holt-Winters UDF for Netezza
Example (US population, millions). In R > ## Non-Seasonal Holt-Winters > x <- uspop > > ## Exponential Smoothing > m2 <- HoltWinters(x, alpha = 0.9999208, gamma = FALSE, beta = FALSE) > print(m2$fitted) Time Series: Start = 1800 End = 1970 Frequency = 0.1 xhat level 1800 3.930000 3.930000 1810 5.309891 5.309891 1820 7.239847 7.239847 1830 9.639810 9.639810 1840 12.899742 12.899742 1850 17.099667 17.099667 1860 23.199517 23.199517 1870 31.399351 31.399351 1880 39.799335 39.799335 1890 50.199176 50.199176 1900 62.898994 62.898994 1910 75.998962 75.998962 1920 91.998733 91.998733 1930 105.698915 105.698915 1940 122.798646 122.798646 1950 131.699295 131.699295 1960 151.298448 151.298448 1970 179.297782 179.297782
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