yuima.carma-class | R Documentation |
The yuima.carma
class is a class of the yuima package that extends the yuima.model-class
.
info
:is an carma.info-class
object that describes the structure of the CARMA(p,q) model.
drift
:is an R expression which specifies the drift coefficient (a vector).
diffusion
:is an R expression which specifies the diffusion coefficient (a matrix).
hurst
:the Hurst parameter of the gaussian noise. If
h=0.5
, the process is Wiener otherwise it is fractional Brownian
motion with that precise value of the Hurst index. Can be set to NA
for further specification.
jump.coeff
:a vector of expression
s for the jump
component.
measure
:Levy measure for jump variables.
measure.type
:Type specification for Levy measures.
a vector of names identifying the names used to denote the state variable in the drift and diffusion specifications.
parameter
:which is a short name for “parameters”, is an
object of class model.parameter-class
. For more details see
model.parameter-class
documentation page.
state.variable
:identifies the state variables in the R expression.
jump.variable
:identifies the variable for the jump coefficient.
time.variable
:the time variable.
noise.number
:denotes the number of sources of noise. Currently only for the Gaussian part.
equation.number
:denotes the dimension of the stochastic differential equation.
dimension
:the dimensions of the parameter given in the
parameter
slot.
solve.variable
:identifies the variable with respect to which the stochastic differential equation has to be solved.
xinit
:contains the initial value of the stochastic differential equation.
J.flag
:wheather jump.coeff include jump.variable.
simulation method. For more information see
simulate
.
This method converts an object of yuima.carma-class
to character vectors with LaTeX markup.
Recovering underlying Levy. For more information see CarmaNoise
.
Quasi maximum likelihood estimation procedure. For more information see qmle
.
The YUIMA Project Team
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