R version 3.0.1 (2013-05-16) -- "Good Sport" Copyright (C) 2013 The R Foundation for Statistical Computing 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 <- c(679,687,638,628,604,713,712,693,697,555,486,470,465,426,384,679,687,638,628,604,713,712,693,697,555,486,470,465,426,384,379,381,380,351,346,339,336,333,324,324,321,304,343,407,389,361,353,361,387,692,704,742,721,843,847,945,946,946,945,1082,1075,820,832,851,1090,1203,1239,1535,1527,1480,1452,1383,1381,1429,1376,1602,1597,2003,1958,1997,1986,2129,2115,2297,2250,2309,2648,2627,2711,2732,2825,2932,2910,2969,2999,2965,2846,2847,2751) > par4 = '12' > par3 = 'Reserve positie IMF' > par2 = 'Belgostat' > par1 = ' Officiële reserves en overige middelen in vreemde valuta (marktwaarde) (miljoenen euro's)' Error: unexpected symbol in "par1 = ' Officiële reserves en overige middelen in vreemde valuta (marktwaarde) (miljoenen euro's" Execution halted