b.com.est: Common slope estimation
Description
Estimates a common slope from bivariate data for several independent groups.
Called by slope.com
.
Usage
b.com.est(z, n, method, lambda = 1, res.df)
Arguments
z
Variances and covariances of each group.
n
Sample sizes of each group.
lambda
Error variance ration (implied by choice of method).
res.df
Residual degrees of freedom, for each group.