Last data update: 2014.03.03
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R: Covariance matrix of an Almost Ideal Demand System
df.residual.aidsEst | R Documentation |
Covariance matrix of an Almost Ideal Demand System
Description
These method returns the covariance matrix of the coefficients from
an Almost Ideal Demand System (AIDS).
Usage
## S3 method for class 'aidsEst'
df.residual( object, ... )
Arguments
object |
an object of class aidsEst .
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... |
currently not used.
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Value
The df.residual method for objects of class aidsEst
returns a symmetric matrix: the covariance matrix of the coefficients.
Author(s)
Arne Henningsen
See Also
aidsEst , coef.aidsEst
Results
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