a character string specifying the name of the column containing the values for computing the density, e.g. "SigIntensity"
plotTitle
the plot title
showPlot
0 or 1. 1 will open one or several plot windows in the R GUI, 0 will only save the plot(s) without opening windows
supHisto
0 or 1. 1 will additionally superimpose a colour histogram of the values for the positive and negative controls. Otherwise choose 0.
Value
Plots the density of positive and negative controls (if applicable) for all controls contained in the dataset. The plot is saved as a pdf and a png file named after the experiment name specified in the header concatenated with the plotTitle.The function returns the plot name.