Cross-Validation Methods
Cross-Validation Methods groups the core ideas a learner needs at the 6 · splitting, validation & experiment design stage. Work through the lessons in order when new to the area, or use them independently as a reference when implementing an analysis.
Learn the mechanism one decision at a time
Work through the lessons in order if the topic is new. If you already know the basics, open the specific leaf lesson that matches the operation, diagnostic or failure mode you need.
1Definition→
2Mechanism→
3Example→
4Diagnostic→
5Decision
K-FoldK-Fold is a practical concept within Cross-Validation Methods. It helps turn the broader workflow stage “6 · Splitting, Validation & Experiment Design” into an explicit analytical decision that can be explained, implemented and checked. The concept should be understood in terms of purpose, mechanism, assumptions, evidence and downstream consequences.
02Stratified K-FoldStratified K-Fold is a practical concept within Cross-Validation Methods. It helps turn the broader workflow stage “6 · Splitting, Validation & Experiment Design” into an explicit analytical decision that can be explained, implemented and checked. The concept should be understood in terms of purpose, mechanism, assumptions, evidence and downstream consequences.
03Repeated K-FoldRepeated K-Fold is a practical concept within Cross-Validation Methods. It helps turn the broader workflow stage “6 · Splitting, Validation & Experiment Design” into an explicit analytical decision that can be explained, implemented and checked. The concept should be understood in terms of purpose, mechanism, assumptions, evidence and downstream consequences.
04Group K-FoldGroup K-Fold is a practical concept within Cross-Validation Methods. It helps turn the broader workflow stage “6 · Splitting, Validation & Experiment Design” into an explicit analytical decision that can be explained, implemented and checked. The concept should be understood in terms of purpose, mechanism, assumptions, evidence and downstream consequences.
05Stratified Group K-FoldStratified Group K-Fold is a practical concept within Cross-Validation Methods. It helps turn the broader workflow stage “6 · Splitting, Validation & Experiment Design” into an explicit analytical decision that can be explained, implemented and checked. The concept should be understood in terms of purpose, mechanism, assumptions, evidence and downstream consequences.
06Leave-One-OutLeave-One-Out is a practical concept within Cross-Validation Methods. It helps turn the broader workflow stage “6 · Splitting, Validation & Experiment Design” into an explicit analytical decision that can be explained, implemented and checked. The concept should be understood in terms of purpose, mechanism, assumptions, evidence and downstream consequences.
07TimeSeriesSplitTimeSeriesSplit is a practical concept within Cross-Validation Methods. It helps turn the broader workflow stage “6 · Splitting, Validation & Experiment Design” into an explicit analytical decision that can be explained, implemented and checked. The concept should be understood in terms of purpose, mechanism, assumptions, evidence and downstream consequences.
08Rolling and expanding windowsRolling and expanding windows is a practical concept within Cross-Validation Methods. It helps turn the broader workflow stage “6 · Splitting, Validation & Experiment Design” into an explicit analytical decision that can be explained, implemented and checked. The concept should be understood in terms of purpose, mechanism, assumptions, evidence and downstream consequences.
09Nested cross-validationNested cross-validation is a practical concept within Cross-Validation Methods. It helps turn the broader workflow stage “6 · Splitting, Validation & Experiment Design” into an explicit analytical decision that can be explained, implemented and checked. The concept should be understood in terms of purpose, mechanism, assumptions, evidence and downstream consequences.