On Apr 11, 2013, at 12:25 , Shane Carey wrote: > What does these operators do: %*% > Try help("%*%") -- Peter Dalgaard, Professor Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Email: pd.mes at cbs.dk Priv: PDalgd at gmail.com