Modelos Tvarch
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1. Modelos de séries temporais com coeficientes variando no tempo
In this work they are presented extensions of Auto Regressive and Auto Regressive Conditional Heteroscedasticity models with coefficients varying in time. These coefficients have been used as models for non stationary real time series, specially for financial series. The objective of this work is to present the models and the techniques involved in estimatin
Publicado em: 2009