A matrix of the estimated covariances between the parameter estimates in the linear or non-linear predictor of the model. This should have row and column names ...
Meer om te vragen
What is the function of Vcov?
What are the different types of Vcov?
What does a variance-covariance matrix tell you?
What is the variance co variance method?
Variance-covariance matrix used to compute uncertainty estimates (e.g., for confidence intervals based on robust standard errors). This argument accepts a ...
vcov() is a generic function and functions with names beginning in vcov. will be methods for this function. Classes with methods for this function include: lm , ...
Versatile argument to specify the VCOV. In general, it is either a character scalar equal to a VCOV type, either a formula of the form: vcov_type ~ variables .
A matrix of the estimated covariances between the parameter estimates in the linear or non-linear predictor of the model. This should have row and column names ...
22 jul 2017 · vcov: Variance-Covariance Matrices and Standard Errors ; Version: 0.0.1 ; Depends: R (≥ 3.4.0) ; Published: 2017-07-22 ; Author: Michael Chirico.
1 okt 2021 · I wanted to know how I can manually compute what is returned when I call the vcov() function in R on a lm object, i.e. the variance-covariance ...
22 jul 2017 · Details. Runs a series of tests. Examples test.vcov(). Vcov. Fast Covariance Matrix and Standard Error Computation. Description.
14 aug 2023 · Details. For the coxph and survreg functions the returned matrix is a particular generalized inverse: the row and column corresponding to any NA ...
This package should be used as a backend by package developers. It allows developers to add a ::CovarianceEstimator argument in the fit method defined by ...