R version 2.7.2 (2008-08-25) Copyright (C) 2008 The R Foundation for Statistical Computing ISBN 3-900051-07-0 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 <- c(7.4,12,13.8,14.8,16.6,18,10.9,16.5,16.1,17.8,16.9,17.1,22.9,17.9,19.7,24.9,19.4,14.4,25.7,24.5,20,33.8,25.6,14.3,17.5,19.2,19.5,22.4,18.5,23.2,22,28.2,24.5,21.2,21.6,15.1,16.3,21.1,28.2,29.9,22.1,22.2,24.2,23.7,25,20.8,20.7,25.4,29.7,26.6,33.8,33.1,33.3,42.1,39.1,35.6,49.8,52.8,46.5,46.8) > par3 = 'in miljoenen euro's' Error: unexpected symbol in "par3 = 'in miljoenen euro's" Execution halted