Last data update: 2014.03.03

R: ROC Plot for a logistic regression model
rocplotR Documentation

ROC Plot for a logistic regression model

Description

Plots the ROC Curve

Usage

rocplot(logistic.model,diag=TRUE,pred.prob.labels=FALSE,prob.label.digits=3,AUC=TRUE)

Arguments

logistic.model

a glm object with binomial link function.

diag

a logical value indicating whether a diagonal reference line should be displayed.

pred.prob.labels

a logical value indicating whether the predictive probabilities should be displayed

prob.label.digits

The number of digits of the predictive probabilities to be displayed.

AUC

a logical value indicating whether the estimated area under the curve should be displayed

Value

a ggplot object

Author(s)

Ian Fellows adapted from the lroc function by Virasakdi Chongsuvivatwong

Examples

model.glm <- glm(formula=income>5930.5 ~ education + women + type,
	family=binomial(),data=Prestige,na.action=na.omit)
rocplot(model.glm)

Results


R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(Deducer)
Loading required package: ggplot2
Loading required package: JGR
Loading required package: rJava
Loading required package: JavaGD
Loading required package: iplots

Please type JGR() to launch console. Platform specific launchers (.exe and .app) can also be obtained at http://www.rforge.net/JGR/files/.


Loading required package: car
Loading required package: MASS


Note Non-JGR console detected:
	Deducer is best used from within JGR (http://jgr.markushelbig.org/).
	To Bring up GUI dialogs, type deducer().

> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/Deducer/rocplot.Rd_%03d_medium.png", width=480, height=480)
> ### Name: rocplot
> ### Title: ROC Plot for a logistic regression model
> ### Aliases: rocplot
> 
> ### ** Examples
> 
> model.glm <- glm(formula=income>5930.5 ~ education + women + type,
+ 	family=binomial(),data=Prestige,na.action=na.omit)
> rocplot(model.glm)
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>