summary.arma
From tseries v0.9-19
by Kurt Hornik
Summarizing ARMA Model Fits
Methods for creating and printing summaries of ARMA model fits.
Usage
## S3 method for class 'arma':
summary(object, \dots)
## S3 method for class 'summary.arma':
print(x, digits = max(3, getOption("digits") - 3),
signif.stars = getOption("show.signif.stars"), ...)
Arguments
- object
- an object of class
"arma"
; usually, a result of a call toarma
. - x
- an object of class
"summary.arma"
; usually, a result of a call to the summary method for objects of class"arma"
. - digits, signif.stars
- see
printCoefmat
. - ...
- further arguments passed to or from other methods.
Details
The summary method computes the asymptotic standard errors of the coefficient estimates from the numerically differentiated Hessian matrix approximation. The AIC is computed from the conditional sum-of-squared errors and not from the true maximum likelihood function. That may be problematic.
Value
- A list of class
"summary.arma"
.
See Also
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