Many apologies, I missed that line in the help file. Thanks for all of the help. kindest regards, Stephen Sefick -- View this message in context: http://r.789695.n4.nabble.com/4th-corner-analysis-ade4-what-do-the-colors-mean-tp4315476p4316205.html Sent from the R help mailing list archive at Nabble.com.