R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(1544400,1487200,1573000,1258400,1630200,1601600,1716000,1773200,1973400,1716000,1630200,2030600,1716000,1287000,1515800,1144000,1601600,1315600,1744600,1573000,1658800,1859000,1830400,2173600,1573000,1315600,1458600,1058200,1515800,1172600,1658800,1573000,1401400,2002000,1801800,2059200,1544400,1430000,1287000,1058200,1401400,1258400,1716000,1658800,1430000,1916200,1773200,2288000,1830400,1115400,1115400,1115400,1315600,1315600,1773200,1630200,1458600,1830400,1687400,2431000,1916200,1115400,1172600,972400,1344200,1544400,1944800,1916200,1544400,1801800,1601600,2288000,1744600,1401400,1258400,943800,1401400,1687400,1973400,1859000,1372800,1973400,1544400,2373800,1973400,1430000,1315600,886600,1401400,1344200,2030600,2030600,1544400,2002000,1487200,2316600,1973400,1458600,1115400,772200,1515800,1458600,1916200,2202200,1630200,1830400,1372800,2373800)
> par4 = '12'
> par3 = 'Deze reeks geeft het aantal verkochte exemplaren van Humo weer van januari 2006 tot decmber 2014'
> par2 = 'niet gekend'
> par1 = 'Aantal verkochte exemplaren van de 'Humo''
Error: unexpected symbol in "par1 = 'Aantal verkochte exemplaren van de 'Humo"
Execution halted