importFrom("grDevices", "grey", "hsv")
importFrom("graphics", "axis", "image", "layout", "lcm", "lines", "par", "plot", "polygon", "segments")
importFrom("rlang",".data")
             
export(pr.curve,roc.curve,ggprroc);
S3method(print,PRROC);
S3method(plot,PRROC);