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Introducción a Series de Tiempo Univariadas - Centro Microdatos

Introducción a Series de Tiempo Univariadas - Centro Microdatos

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020000 40000 60000Introducción a <strong>Series</strong> <strong>de</strong> <strong>Tiempo</strong> <strong>Univariadas</strong>December 31, 2010A continuación po<strong>de</strong>mos comparar las predicciones realizadas por ambos tipos <strong>de</strong> suavizaciónexponencial:tssmooth <strong>de</strong>xp sa_s3=sa, forecast(24)computing optimal double-exponential coefficient (0,1)optimal double-exponential coefficient = 0.3693sum-of-squared residuals = 3138130066root mean squared error = 4951.4282tssmooth exp sa_s4=sa, forecast(24)computing optimal exponential coefficient (0,1)optimal exponential coefficient = 0.8258sum-of-squared residuals = 2755288384root mean squared error = 4639.5787tsline sa_s4 sa_s3 , legend(label(1 "Exponencial simple") label(2"Exponencial doble"))2000m1 2002m1 2004m1 2006m1 2008m1 2010m1 2012m1fechaExponencial simpleExponencial doble44

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