R version 2.15.2 (2012-10-26) -- "Trick or Treat" Copyright (C) 2012 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: i686-pc-linux-gnu (32-bit) R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. > x <- array(list(125,133,134,122,98,96,100,104,110,111,106,108,114,447,451,465,460,433,431,437,442,449,450,435,431,434),dim=c(13,2),dimnames=list(c('','jonger','dan','25','jaar','vanaf','25','jaar',''),1:2)) Error in array(list(125, 133, 134, 122, 98, 96, 100, 104, 110, 111, 106, : length of 'dimnames' [1] not equal to array extent Execution halted