R version 3.2.3 (2015-12-10) -- "Wooden Christmas-Tree" Copyright (C) 2015 The R Foundation for Statistical Computing Platform: x86_64-pc-linux-gnu (64-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(2010januari 2681,2010februari 1249,2010maart 1705,2010april 1472,2010mei 1413,2010juni 1651,2010juli 1525,2010augustus 1095,2010september 900,2010oktober 1255,2010november 984,2010december 101,2011januari 2655,2011februari 1309,2011maart 1844,2011april 1825,2011mei 1629,2011juni 1718,2011juli 1595,2011augustus 1539,2011september 1513,2011oktober 1475,2011november 1184,2011december 211,2012januari 3387,2012februari 1546,2012maart 1955,2012april 1899,2012mei 2415,2012juni 3439,2012juli 1148,2012augustus 1127,2012september 1186,2012oktober 1009,2012november 817,2012december 236,2013januari 2762,2013februari 1035,2013maart 1500,2013april 1519,2013mei 1539,2013juni 1452,2013juli 1409,2013augustus 1288,2013september 987,2013oktober 1542,2013november 1248,2013december 1400,2014januari 2185,2014februari 1097,2014maart* 1215,2014april* 1236,2014mei* 1373,2014juni* 1548,2014juli* 1178,2014augustus* 902,2014september* 820,2014oktober* 1432,2014november* 1040,2014december* 1545,2014* 15571) Error: unexpected symbol in "x <- c(2010januari" Execution halted