10.07.2015 Views

Introducción a Series de Tiempo Univariadas - Centro Microdatos

Introducción a Series de Tiempo Univariadas - Centro Microdatos

Introducción a Series de Tiempo Univariadas - Centro Microdatos

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Introducción a <strong>Series</strong> <strong>de</strong> <strong>Tiempo</strong> <strong>Univariadas</strong>December 31, 2010arima starts, arima(1,1,1) sarima(1,1,1,12)estimates store arima7arima starts, arima(1,1,1) sarima(2,1,2,12)estimates store arima8arima starts, arima(1,1,1) sarima(3,1,3,12)estimates store arima9estimates table arima7 arima8 arima9, stat(aic, bic) b(%7.3g) p(%4.3f)--------------------------------------------Variable | arima7 arima8 arima9-------------+------------------------------starts |_cons | .0129 .0129 .0128| 0.742 0.739 0.759-------------+------------------------------ARMA |ar |L1. | -.0366 -.016 -.00576| 0.765 0.899 0.965|ma |L1. | -.291 -.306 -.308| 0.011 0.009 0.012-------------+------------------------------ARMA12 |ar |L1. | .162 -.649 .855| 0.001 0.004 0.000L2. | .168 -1.05| 0.001 0.000L3. | .109| 0.060|ma |L1. | -.942 -.245 -1.64| 0.000 0.275 0.000L2. | -.857 1.59| 0.000 0.000L3. | -.863| 0.000-------------+------------------------------sigma |_cons | 10.8 10.2 10.7| 0.000 0.000 0.000-------------+------------------------------Statistics |aic | 4188 4190 4184bic | 4213 4224 4227--------------------------------------------legend: b/pSegún el criterio <strong>de</strong> información bayesiano nos <strong>de</strong>bemos quedar con el mo<strong>de</strong>lo más parsimonioso,es <strong>de</strong>cir, el mo<strong>de</strong>lo ARIMA(1,1,1) con componente estacional multiplicativo ARIMA(1,1,1).Ahora po<strong>de</strong>mos utilizar este mo<strong>de</strong>lo para hacer predicción:90

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!