Version 2.1 (01 September 2021):
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Second version with some bugs fixed and faster tv() function.


Version 2.0 (15 April 2021):
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Second version.


New functions have been added for simulation and estimation of (not only univariate but also) multivariate TV-GARCH-X models.



Version 1.0 (28 January 2021):
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First version.