vcov.ate | R Documentation |
Variance covariance matrix for the estimated average treatment effect.
## S3 method for class 'ate'
vcov(
object,
contrasts = NULL,
times = NULL,
estimator = NULL,
type = NULL,
...
)
object |
A |
contrasts |
[character vector] levels of the treatment variable for which the variance-covariance matrix should be assessed. Default is to consider all levels. |
times |
[numeric vector] The timepoints at which the variance-covariance matrix should be displayed. Default is to consider all timepoints. |
estimator |
[character] The type of estimator relative to which the variance-covariance matrix should be displayed. |
type |
[character] should the variance-covariance matrix w.r.t. the average risk per treatment be displayed ( |
... |
Not used. For compatibility with the generic method. |
A numeric matrix.
Brice Ozenne broz@sund.ku.dk
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