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SurvRank (version 0.1)

Rank Based Survival Modelling

Description

Estimation of the prediction accuracy in a unified survival AUC approach. Model selection and prediction estimation based on a survival AUC. Stepwise model selection, based on several ranking approaches.

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Version

Install

install.packages('SurvRank')

Monthly Downloads

2

Version

0.1

License

GPL-2

Maintainer

Michael Laimighofer

Last Published

August 26th, 2015

Functions in SurvRank (0.1)

fsSurvRankRpart

Rpart ranking function
fsRankBoostAUC_fct

Wrapper function using additive models with component-wise boosting as ranking method
riskscore_fct

Main function of SurvRank.
CVrankSurv_fct

Main function of SurvRank.
fsSurvRankGlmnet

L1 (lasso) ranking function
risk_newdat

Main function of SurvRank.
fsRankRfAUC_fct

Wrapper function using the random forests as ranking method
fsSurvRankRf

Random forest ranking function
fsSurvRankBoost

Boost ranking function
fsRankConcAUC_fct

Wrapper function using the concordance measure as ranking method
fixRank_fct

Wrapper function using f as ranking method
fsSurvRankRandCox

Random Cox ranking function
innerAUC_fct

Calculates inner and outer survival AUCs of training and testset
glmnetRank

Ranks features of a previously fitted glmnet object
plot_CVsurv

Main function of SurvRank
fsSurvRankWang

Random Cox ranking function
fsSurvRankConc

Concordance ranking function
fin_surv_model_fct

Building the final survRank model
fsRankLassoAUC_fct

Wrapper function using the L1 norm (lasso) as ranking method
fsSurvRankCox

Cox ranking function
fsRankCoxAUC_fct

Wrapper function using the univariate Cox models as ranking method
fsRankWangAUC_fct

Wrapper function using univariate cox models for a randomly selected subset of the data as ranking method
fsRankMonsterAUC_fct

Wrapper function using cox models with randomly selected nmax variables as ranking method
crossvalFolds

Creating stratified cross validation folds
fsRankRpartAUC_fct

Wrapper function using recursive partitioning and regression trees as ranking method
msSurv_fct

Function selects for the ranking function approaches
weighting_fct

Weigthing function for selected features