Comp2ROC (version 1.0)

roc.curves.boot: Compare curves

Description

This is the function which control the whole package.This uses all functions except the reading ones and rocboot.summary and save.file.summary.

Usage

roc.curves.boot(data, nb = 1000, alfa = 0.05, name, mod1, mod2)

Arguments

data

Data obtained throught read.file or read.manually.introduced

nb

Number of permutations

alfa

Confidance level for parametric methods

name

Name too show in graphs

mod1

Name of Modality 1

mod2

Name of Modality 2

Value

• This function returns a list with:
• Area1
  Area of Curve 1
• SE1
  Standard error of Curve 1
• Area2
  Area of Curve 2
• SE2
  Standard error of Curve 2
• CorrCoef
  Correlation Coeficient
• diff
  Difference Between Areas (TS)
• zstats
  Z Statistic
• pvalue1
  p-value of Z Statistics
• TrapArea1
  Area of curve 1 using the Trapezoidal rule
• TrapArea2
  Area of curve 2 using the Trapezoidal rule
• bootpvalue
  p-value of bootstrapping
• nCross
  Number of Crossings
• ICLB1
  Confidance Interval: Lower Bound for Curve 1
• ICUB1
  Confidance Interval: Upper Bound for Curve 1
• ICLB2
  Confidance Interval: Lower Bound for Curve 2
• ICUB2
  Confidance Interval: Upper Bound for Curve 2
• ICLBDiff
  Confidance Interval: Lower Bound for Difference between areas
• ICUBDiff
  Confidance Interval: Upper Bound for Difference between areas

Examples

#data(zhang)
#nameE="new_Zhang"
#moda1="mod1" 
#moda2="mod2"
#data=read.manually.introduced(zhang, moda1, TRUE, moda2, TRUE,  "status", TRUE)
#results=roc.curves.boot(data,name=nameE,mod1= moda1,mod2=moda2)