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optAUC (version 1.0)

Optimal Combinations of Diagnostic Tests Based on AUC

Description

Searches for optimal linear combination of multiple diagnostic tests (markers) that maximizes the area under the receiver operating characteristic curve (AUC); performs an approximated cross-validation for estimating the AUC associated with the estimated coefficients.

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Version

Install

install.packages('optAUC')

Monthly Downloads

10

Version

1.0

License

GPL-2

Maintainer

Xin Huang

Last Published

April 1st, 2013

Functions in optAUC (1.0)

betahat

Function for estimating beta using kernal function
beta2theta

Function to translate beta into theta, the n-sphere constrain
nlsolve

solve nonlinear function
hessAUC

function for hessian matrix of AUC
AUC

Function for AUC with sigmoid estimate
AUC.emp

Function for AUC when input is X and Y
gradsqr

The function of grad_square in the GCV
gradAUC.Lang

Function for gradient of AUC after applying Lagrange Multiplyer
optAUC-package

Optimal Combinations of Diagnostic Tests Based on AUC
optAUC

Optimal Combinations of Diagnostic Tests Based on AUC
theta2beta

Function to translate theta to beta, the n-sphere constrain