Put the plot type and other keywords after the last column.
LinePlot($yArray,[$xArray])
BarPlot($yArray,[$xArray])
ErrorPlot($yArray) [Two values for each x-value]
StockPlot($yArray) [Four values for each x-value: open,close,min,max]
BoxPlot($yArray) [Five values for each x-value: open,close,min,max,median]
ScatterPlot($yArray,$xArray)
FieldPlot($yArray,$xArray,$angleArray) [angle in degrees]