The vcov
method returns the variance-covariance matrix of the estimated regression coefficients from a WCE model.
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object |
A |
... |
Optional; other parameters to be passed through to |
The function returns variance-covariance matrices with the estimated regression coefficients for the supplied WCE model object. The number of matrices returned is equivalent to the length of the nknots
vector (or one matrix, if nknots
is a scalar) passed to the WCE
function when fitting the model.
Marie-Pierre Sylvestre
marie-pierre.sylvestre@umontreal.ca
Sylvestre MP, Abrahamowicz M. Flexible modeling of the cumulative effects of time-dependent exposures on the hazard. Stat Med. 2009 Nov 30;28(27):3437-53.
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Questions? Problems? Suggestions? Tweet to @rdrrHQ or email at ian@mutexlabs.com.
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