Last data update: 2014.03.03

R: trapezoidal rule for AUC
trapezintR Documentation

trapezoidal rule for AUC

Description

trapezoidal rule for AUC

Usage

trapezint(x, y, a, b)

Arguments

x

x - abscissae

y

y - ordinates

a

a - lower limit of integration

b

b - upper limit of integration

Details

uses approx

Value

estimated AUC

Examples

x <- sort(runif(30))
y <- sin(x)
print(trapezint(x,y,0,1))

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(ROC)
> png(filename="/home/ddbj/snapshot/RGM3/R_BC/result/ROC/trapezint.Rd_%03d_medium.png", width=480, height=480)
> ### Name: trapezint
> ### Title: trapezoidal rule for AUC
> ### Aliases: trapezint
> ### Keywords: models
> 
> ### ** Examples
> 
> x <- sort(runif(30))
> y <- sin(x)
> print(trapezint(x,y,0,1))
[1] 0.4579611
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>