ROCplot: Simple ROC curve with optimal threshold and AUC approximation

In helophilus/ColsTools: A variety of convenience tools and short-cuts

Description

ROCplot(predictions, truth, N = 100, nulline = TRUE,...)

Usage

ROCplot(predictions, truth, N = 100, nullline = TRUE, ...)

Arguments

predictions	is prediction values between 0 and 1
truth	the actual 0 and 1 values
N	number of candidate thresholds; default is 100
...	additional arguments passed to plot
nulline	whether to plot a line with slope=1

Details

Plots a ROC curve. Also gives optimal cut point (several if they are equal in effectiveness) and area under the curve by the trapezoid method, so accuracy improves with greater N.

helophilus/ColsTools documentation built on May 30, 2019, 4:03 p.m.