Simulation, Estimation and Forecasting of Beta-Skew-t-EGARCH Models

Simulation, estimation and forecasting of first-order Beta-Skew-t-EGARCH models with leverage (one-component, two-component, skewed versions).


Changes to version 3.3 (16 October 2016):

  • Minor changes to the syntax of the C-code, on request from the CRAN

Changes to version 3.2 (18 September 2014):

  • The first argument of the tegarch function, y, is now expected to be either a 1-column matrix or a vector (previously the argument was assumed to be a vector only). This means the indices of xts objects are now handled correctly. In previous versions the incorrect handling of the index resulted in errors when applying the predict method on tegarch objects. Thanks to Serdar Sahetmammedov and John Kalkanis for bringing my attention to the problem with xts objects.

  • asym=FALSE in the tegarch function now returns an error if components=2. For identification, asym=TRUE is required when components=2. In previous versions asym was automatically changed to TRUE if the user tried to combine components=2 with asym=FALSE, together with a note in the output.

Reference manual

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3.3 by Genaro Sucarrat, 3 years ago

Browse source code at

Authors: Genaro Sucarrat

Documentation:   PDF Manual  

Task views: Empirical Finance

GPL-2 license

Depends on zoo

See at CRAN