Your Cl(GSPC) returns a Close and AdjClose , just choose one: Clx=Cl(GSPC) Cly=Clx[,1] ex.model <- specifyModel(T.ind(GSPC) ~ Delt(Cly,k=1:3))
-- View this message in context: http://r.789695.n4.nabble.com/about-an-error-of-xts-tp4579828p4580517.html Sent from the Rmetrics mailing list archive at Nabble.com. _______________________________________________ R-SIG-Finance@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-sig-finance -- Subscriber-posting only. If you want to post, subscribe first. -- Also note that this is not the r-help list where general R questions should go.