View source: R/function.diff.R
Plots superposed ROC curves.
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| tests | A list of tests, each element of which should be a data.frame with a "p" column indicating the p-value under that test. | 
| sig | A logical vector indicating whether each row of elements in 'tests' is actually differentially-expressed (TRUE) or not. If this is a named vector, the names will be used to order the rows in 'tests', otherwise they are assumed to be ordered in the same way. | 
| show.AUC | Logical; whether to show the area under the curve in the figure's legend. Default TRUE. | 
| thres | Numeric value between 0 and 1, indicating the p-value treshold to be plotted on each curve. Set to NULL to plot no threshold. | 
| lwd | Line width, passed to the plotting functions. Default 2. | 
| rounding | The rounding (number of digits) of log-transformed p-values at which to plot (default 3). Increasing this number will increase the resolution of the curve, but also increase execution time. | 
| colors | A vector of colors for the different tests. If NULL (default), R basic colors are used. | 
| ... | Any further argument passed to the initial plot function. | 
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