You shouldn't use "c" as a variable, because it is already used as the constructor of lists. So doing this issues will be quite certrain. -- View this message in context: http://r.789695.n4.nabble.com/Re-Problem-with-package-SNOW-on-MacOS-X-10-5-5-tp891753p3306531.html Sent from the R help mailing list archive at Nabble.com.