2023
DOI: 10.32614/rj-2023-009
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SurvMetrics: An R package for Predictive Evaluation Metrics in Survival Analysis

Abstract: Recently, survival models have found vast applications in biostatistics, bioinformatics, reliability engineering, finance and related fields. But there are few R packages focusing on evaluating the predictive power of survival models. This lack of handy software on evaluating survival predictions hinders further applications of survival analysis for practitioners. In this research, we want to fill this gap by providing an "all-in-one" R package which implements most predictive evaluation metrics in survival an… Show more

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Cited by 5 publications
(5 citation statements)
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“…Two types of prediction outcomes were used: time-to-T2D diagnosis and a binary outcome defined by whether a T2D diagnosis was recorded within 10 years from baseline. For the time-to-T2D outcome, C-index and Brier scores were calculated using the SurvMetrics R package (version 0.5.0) [37]. C-index gives a measure of discrimination for a model, defined as proportion of concordant pairs of individuals predicted by the model.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Two types of prediction outcomes were used: time-to-T2D diagnosis and a binary outcome defined by whether a T2D diagnosis was recorded within 10 years from baseline. For the time-to-T2D outcome, C-index and Brier scores were calculated using the SurvMetrics R package (version 0.5.0) [37]. C-index gives a measure of discrimination for a model, defined as proportion of concordant pairs of individuals predicted by the model.…”
Section: Methodsmentioning
confidence: 99%
“…For the time-to-T2D outcome, C-index and Brier scores were calculated using the SurvMetrics R package (version 0.5.0) [37]. C-index gives a measure of discrimination for a model, defined as proportion of concordant pairs of individuals predicted by the model.…”
mentioning
confidence: 99%
“…All P values were from 2-sided tests and results were deemed statistically significant at P < .05. All analyses were estimated using the survival and the SurvMetrics packages in R, version 4.2.3 . To maintain open science, the R script used to clean the data and estimate all of the statistical analyses is provided in eAppendix 4 in Supplement 1.…”
Section: Methodsmentioning
confidence: 99%
“…Typically, high values of C > 0.8 are needed to prove the validity of a new clinical biomarker [9]. When it comes to the comparison of algorithms with close C-indices or under special conditions, other metrics are used [10]. For model comparison regarding their utility in medical decision making, calibration is included in the list of quality check-ups in central journals.…”
Section: The Cox Modelmentioning
confidence: 99%