cogarchNoise | R Documentation |
Retrieve the increment of the underlying Levy for the COGARCH(p,q) process
cogarchNoise(yuima, data=NULL, param, mu=1)
yuima |
a yuima object or an object of |
data |
an object of class |
param |
|
mu |
a numeric object that contains the value of the second moments of the levy measure. |
incr.Levy |
a numeric object contains the estimated increments. |
model |
an object of class yuima containing the state, the variance and the cogarch process. |
The function cogarchNoise
assumes the underlying Levy process is centered in zero.
The function gmm
uses the function cogarchNoise
for estimation of underlying Levy in the COGARCH(p,q) model.
The YUIMA Project Team
Chadraa. (2009) Statistical Modelling with COGARCH(P,Q) Processes, PhD Thesis.
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