satdf {CR2} | R Documentation |
Compute Satterthwaite degrees of freedom
Description
Function to compute empirical degrees of freedom based on Bell and McCaffrey (2002).
Usage
satdf(m1, type = "none", Vinv2, Vm2, br2, Gname = NULL)
Arguments
m1 |
The |
type |
The type of cluster robust correction used (i.e., CR2 or none). |
Vinv2 |
Inverse of the variance matrix. |
Vm2 |
The variance matrix. |
br2 |
The bread component. |
Gname |
The group (clustering variable) name' |
Value
Returns a vector of degrees of freedom.
Author(s)
Francis Huang, huangf@missouri.edu
Bixi Zhang, bixizhang@missouri.edu
[Package CR2 version 0.2.1 Index]