R version 2.13.0 (2011-04-13) Copyright (C) 2011 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(7.08,,7.08,,7.09,,7.07,,7.06,,6.99,,6.99,,6.99,,6.98,,6.96,,6.95,,6.91,,6.91,,6.87,,6.91,,6.89,,6.88,,6.9,,6.91,,6.85,,6.86,,6.82,,6.8,,6.83,,6.84,,6.89,,7.14,,7.21,,7.25,,7.31,,7.3,,7.48,,7.49,,7.4,,7.44,,7.42,,7.14,,7.24,,7.33,,7.61,,7.66,,7.69,,7.7,,7.68,,7.71,,7.71,,7.72,,7.68,,7.72,,7.74,,7.76,,7.9,,7.97,,7.96,,7.95,,7.97,,7.93,,7.99,,7.96,,7.92,,7.97,,7.98,,8,,8.04,,8.17,,8.29,,8.26,,8.3,,8.32,,8.28,,8.27,,8.32,,8.31,,8.34,,8.32,,8.36,,8.33,,8.35,,8.34,,8.37,,8.31,,8.33,,8.34,,8.25,),dim=c(2,84),dimnames=list(c('Cons','Inc','Price'),1:84)) Error in list(7.08, , 7.08, , 7.09, , 7.07, , 7.06, , 6.99, , 6.99, , : argument 2 is empty Calls: array -> as.vector Execution halted