Hello Petr, The demo's don't run either, with the same errors. Thanks for your help. Best wishes. -- View this message in context: http://r.789695.n4.nabble.com/Error-in-matrix-not-ordered-vectors-or-numerical-value-and-SIAR-tp4024578p4033682.html Sent from the R help mailing list archive at Nabble.com.