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)

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> x <- c(530.3,527.76,521.41,1601.93,1577.49,1551.43,1551.43,1516.88,1485.95,1438.22,1385.06,1329.49,1329.49,1276.16,1242.34,1181.59,1160.21,1135.18,1135.18,1084.96,1077.35,1061.13,1029.98,1013.08,1013.08,996.04,975.02,951.89,944.4,932.47,932.47,920.44,900.18,886.9,867.74,859.03,859.03,844.99,834.82,825.62,816.92,813.21,813.21,811.03,804.16,788.62,778.76,765.91,765.91,753.85,742.22,732.11,729.94,731.22,731.22,729.11,726.94,720.52,709.36,703.21,703.21,695.88,681.63,672.1,665.49,658.93,658.93,656,650.66,645.93,638.74,634.67)
> par4 = '12'
> par3 = 'Maandelijkse consumptieprijzen kleurentv's'
Error: unexpected symbol in "par3 = 'Maandelijkse consumptieprijzen kleurentv's"
Execution halted