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SOLUTIONS
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BUILT-IN MATHEMATICA SYMBOL
CovarianceEstimatorFunction
CovarianceEstimatorFunction
is an option for generalized linear model fitting functions that specifies the estimator for the parameter covariance matrix.
DetailsDetails
- CovarianceEstimatorFunction is an option for GeneralizedLinearModelFit, LogitModelFit, and ProbitModelFit.
- Possible settings include
and
which use the expected information matrix and observed information matrix, respectively. - The covariance matrix is equivalent to
, where
is the dispersion parameter and
is Fisher's information matrix.
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