vcov.hopit | R Documentation |
Returns the variance-covariance matrix of the main parameters of a fitted hopit
model object.
## S3 method for class 'hopit' vcov(object, robust.vcov, ...)
object |
a |
robust.vcov |
a logical indicating whether to use the sandwich estimator to calculate the variance-covariance matrix. If a survey design is detected, then this option is ignored. |
... |
further arguments passed to or from other methods. |
Maciej J. Danko
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