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(2745,1395,1550,1378,1318,1395,1483,1049,783,1208,857,48,2681,1249,1705,1472,1413,1651,1525,1095,900,1255,984,101,2655,1309,1844,1825,1629,1718,1595,1539,1513,1475,1184,211,3387,1546,1955,1899,2415,3439,1148,1127,1186,1009,817,236,2762,1035,1500,1519,1539,1452,1409,1288,987,1542,1248,1400,4190,2185,1097,1215,1236,1374,1548,1178,902)
> par3 = '512'
> par2 = 'no'
> par1 = '0'
> ylab = 'Nieuw verkoop Audi'
> xlab = 'Dichtheid aantal verkochte Audi's'
Error: unexpected symbol in "xlab = 'Dichtheid aantal verkochte Audi's"
Execution halted