search for: tp4630190

...1W, t1B ,t1H ,t1O, t2W , t2B ,t2H ,t2O ,t3W , t3B, t3H + t3O , t4W , t4B , t4H , t4O)) However, I continue to get this error code: Error: $ operator is invalid for atomic vectors Thoughts? -- View this message in context: http://r.789695.n4.nabble.com/vector-w-o-arithmetic-addition-for-boxplot-tp4630190.html Sent from the R help mailing list archive at Nabble.com.