vcov-methods {fRegression} | R Documentation |
Extracts vcov from a fitted regression model.
vcov
is a generic function which extracts fitted values
from objects returned by modeling functions, here the regFit
and gregFit
parameter estimation functions.
Diethelm Wuertz for the Rmetrics R-port.
## regSim - x = regSim(model = "LM3", n = 50) ## regFit - fit = regFit(Y ~ X1 + X2 + X3, data = x, use = "lm") ## vcov - vcov(fit)