Concordance Index in Statistical Analysis - Ontosight.ai
The Concordance Index (c-index) is a statistical measure used to evaluate the predictive accuracy of a model, particularly in survival analysis and logistic ...
https://ontosight.ai/glossary/term/Concordance-Index---c-indexcompute C index for a Cox model — Cindex • glmnet
Computes Harrel's C index for predictions from a "coxnet"object. Cindex(pred, y, weights = rep(1, nrow(y)))
https://glmnet.stanford.edu/reference/Cindex.htmlconcordance index in python - Stack Overflow
2016/07/13 ... I'm looking for a python/sklearn/lifelines/whatever implementation of Harrell's c-index (concordance index), which is mentioned in random survival forests.
https://stackoverflow.com/questions/38354902/concordance-index-in-pythonWhat is Concordance Index (C-Index) | IGI Global Scientific Publishing
The c-index is a measure of rank correlation between the models'predicted risk scores and the observed time points (in the test data).
https://www.igi-global.com/dictionary/challenges-and-chances-of-classical-cox-regression/115546cindex.comp: Function to compare two concordance indices in survcomp
This function compares two concordance indices computed from the same data by using the function concordance.index. The statistical test is a Student t test ...
https://rdrr.io/bioc/survcomp/man/cindex.comp.html(PDF) The Concordance Index decomposition: A measure for a ...
2022/03/04 ... PDF | The Concordance Index (C-index) is a commonly used metric in Survival Analysis to evaluate how good a prediction model is.
https://www.researchgate.net/publication/358951507_The_Concordance_Index_decomposition_a_mea...Improving Concordance Index in Regression-based Survival Analysis
2024/08/01 ... Abstract. In this work, we use an Evolutionary Algorithm (EA) to discover a novel Neural Network (NN) regression-based survival loss function ...
https://dl.acm.org/doi/10.1145/3638530.3664129abdoush/SurVED: The Concordance Index Decomposition - GitHub
The Concordance Index decomposition: A measure for a deeper understanding of survival prediction models.
https://github.com/abdoush/SurVEDBoosting the Concordance Index for Survival Data - PLOS
By definition, the C-index has the same scale as the classical area under the curve (AUC) in binary classification: While prediction rules based on random ...
https://journals.plos.org/plosone/article/file?type=printable&id=10.1371/journal.pone.0084483Boosting the discriminatory power of sparse survival models via ...
2016/07/22 ... ... concordance index (C-index). Due to this objective function, the resulting prediction models are optimal with respect to their ability to ...
https://bmcbioinformatics.biomedcentral.com/articles/10.1186/s12859-016-1149-8