plot_roc.Rd
[.] Plot ROC - sample code
plot_roc(roc, threshold, cost_of_fp, cost_of_fn)
https://github.com/joyofdata/joyofdata-articles/blob/master/roc-auc/plot_roc.R
...
... #> Error in eval(expr, envir, enclos): '...' used in an incorrect context