extract method for rq objectsextract method for rq objects created by the
rq function in the quantreg package.
# S4 method for rq
extract(model, include.nobs = TRUE, include.percentile = TRUE, ...)A statistical model object.
Report the number of observations in the GOF block?
Report the percentile (tau)?
Custom parameters, which are handed over to subroutines, in this
case to the summary method for the object.