R version 2.12.0 (2010-10-15) Copyright (C) 2010 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: i486-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(0,1,0,1,1,1,1,1,1,1,1,1,1,1,0,0,0,1,0,1,1,1,1,1,0,0,0,1,1,1,0,1,0,0,0,1,0,1,0,1,0,1,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,1,0,1,0,0,1,1,1,1),dim=c(2,33),dimnames=list(c('Pre','Post1',''),1:33)) Error in dimnames(data) <- dimnames : length of 'dimnames' [1] not equal to array extent Calls: array Execution halted