micEconAids (version 0.6-20)

df.residual.aidsEst: 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 aidsEst
df.residual( object, … )

Arguments

object

an object of class aidsEst.

…

currently not used.

Value

The df.residual method for objects of class aidsEst returns a symmetric matrix: the covariance matrix of the coefficients.

See Also

aidsEst, coef.aidsEst