Description Usage Arguments Value Author(s) References See Also Examples
Calculate the covariance matrix for a stacked vector of regression coefficients
from multiple marginal GEE models fitted with geem2
.
1 |
x |
a list of |
biascorr |
logical, if |
A list with class mmmgee
containing the following components:
beta
The stacked vector of regression coefficient estimates from the models in x
.
V
The estimated covariance matrix of the regression coefficient estimates.
A
The outer component of V=ABA.
B
The inner component of V=ABA.
biascorr
The value of the input argument biascorr
(logical).
n
A vector with the number of clusters in each model in x
.
p
A vector with number of regression coefficients in each model in x
.
Robin Ristl, robin.ristl@meduniwien.ac.at
Lloyd A. Mancl, Timothy A. DeRouen. A covariance estimator for GEE with improved small sample properties. Biometrics, 2001, 57(1):126-134.
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