Screenshot of pROC in S+ for smoothing WFNS ROC curve. Top left: the General tab, where data is entered. Top right: the details about smoothing. Bottom left: the details for the plot. Checking the box "Add to existing plot" allows drawing several curves on a plot. Bottom right: the result in the standard S+ plot device.
Robin et al. BMC Bioinformatics 2011 12:77 doi:10.1186/1471-2105-12-77