{"entity":{"id":"bootstrap","kind":"term","name":"Bootstrap resampling","aka":["bootstrap","bootstrap resampling","bootstrapped confidence interval","bootstrap confidence intervals","resampling with replacement","P10 to P90 spread"],"tldr":"Bootstrapping refits a model or recomputes a statistic on many resamples of the data drawn with replacement, and the spread of the results is a confidence interval that needs no formula.","summary":"Bootstrapping estimates the distribution of an estimator by resampling the data, assigning measures of accuracy to sample estimates (Wikipedia). It gives confidence intervals for a C-index or AUC on a small test set, and, applied to one patient, the spread of predictions across bootstrap-refitted models is a per-prediction reliability signal: a prediction whose tenth-to-ninetieth percentile range is wider than an in-domain cutoff should be flagged rather than reported.","asOf":"2026-09-24","wikipedia":"https://en.wikipedia.org/wiki/Bootstrapping_(statistics)","links":[{"label":"Wikipedia","url":"https://en.wikipedia.org/wiki/Bootstrapping_(statistics)"}],"tags":["cansim-terms"],"related":["cancer-ai-vocabulary"],"cancers":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":["cross-validation","uncertainty-quantification","permutation-test"],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":["Listed in the CanSim terms map 1.0.0 (docs/onco/terms.json, generated 2026-09-24), CC BY 4.0, attribution: CanSim project, an open, public-data-first cancer foundation-model programme; CanSim page path /terms/bootstrap-resampling."],"provenance":{"editedBy":"OnCo CanSim terms wave (Wikipedia summaries, standards and project pages, GDC and FDA pages, Europe PMC)","editedOn":"2026-09-24","note":"CanSim terms map 1.0.0 (docs/onco/terms.json, generated 2026-09-24), CC BY 4.0, attribution: CanSim project, an open, public-data-first cancer foundation-model programme"},"category":"Methods and models"},"route":"/terms/bootstrap/","neighbours":{"term":[{"id":"cancer-ai-vocabulary","kind":"term","name":"Cancer AI vocabulary (CanSim terms map)","route":"/terms/cancer-ai-vocabulary/"},{"id":"cross-validation","kind":"term","name":"Cross-validation and stratified k-fold","route":"/terms/cross-validation/"},{"id":"ood-detection","kind":"term","name":"Out-of-distribution detection (Mahalanobis guard)","route":"/terms/ood-detection/"},{"id":"permutation-test","kind":"term","name":"Permutation test and the Mann-Whitney U test","route":"/terms/permutation-test/"},{"id":"uncertainty-quantification","kind":"term","name":"Uncertainty quantification and confidence gates","route":"/terms/uncertainty-quantification/"}]}}