Pitfalls of the concordance index for survival outcomes - Hartman - 2023
2023/03/28 ... The concordance index (C-Index) is a popular statistic that is used for model validation, and it is often applied to models with binary or survival outcome ...
https://onlinelibrary.wiley.com/doi/full/10.1002/sim.9717Concordance index: Surrogacy of progression-free survival for overall ...
We provide a concordance index (C-index) to measure the degree of concordance between PFS and OS, and elaborate on the PFS vs OS discrepancies using the C- ...
https://www.sciencedirect.com/science/article/pii/S1551714421000896concordance_index_censored - scikit-survival - Read the Docs
The concordance index is defined as the proportion of all comparable pairs in which the predictions and outcomes are concordant.
https://scikit-survival.readthedocs.io/en/stable/api/generated/sksurv.metrics.concordance_in...Concordance index for right-censored data — concordance_survival
Details. The concordance index is defined as the proportion of all comparable pairs in which the predictions and outcomes are concordant. Two observations are ...
https://yardstick.tidymodels.org/reference/concordance_survival.htmlconcordance.index function - RDocumentation
Function to compute the concordance index for a risk prediction, i.e. the probability that, for a pair of randomly chosen comparable samples, the sample ...
https://www.rdocumentation.org/packages/survcomp/versions/1.22.0/topics/concordance.indexHow to calculate the concordance index on a test dataset? - Reddit
2021/06/12 ... I want to calculate the concordance index on the predictions made on the test dataset, because obviously a model should be evaluated on a test dataset instead ...
https://www.reddit.com/r/MachineLearning/comments/nyf7rg/d_survival_analysis_how_to_calculat...On Ranking in Survival Analysis: Bounds on the Concordance Index
Abstract. In this paper, we show that classical survival analysis involving censored data can naturally be cast as a ranking problem. The concordance index (CI) ...
https://papers.nips.cc/paper/3375-on-ranking-in-survival-analysis-bounds-on-the-concordance-...How the concordance index is calculated in Cox model if the ...
2020/07/21 ... The censored c-index compares the estimated hazard ratio to both the actual event status and actual time to event (or censoring time) to produce its estimate.
https://stats.stackexchange.com/questions/478294/how-the-concordance-index-is-calculated-in-...Use of the concordance index for predictors of censored survival data
Concordance index estimators are assessed through simulations, which demonstrate substantial bias of classical censored-pairs and proportional-hazards model ...
https://journals.sagepub.com/doi/pdf/10.1177/0962280216680245(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...