Timeline for PCA and the train/test/validation split
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 19, 2020 at 3:59 | comment | added | gunes | In small datasets, instead of using a single test set, cross validation should be used. I think you should use it as well because the step after PCA will contain only 10-15 positive cases in a single test set. | |
| Aug 18, 2020 at 20:07 | comment | added | NatNag | "The test set should be separate from the beginning, i.e. you shouldn't use it even for selecting number of PCs." Is a single test set sufficient for a reliable estimation of the procedure? I am not sure if it is relevant, by my data contain only 66 positive cases. | |
| Aug 18, 2020 at 18:30 | history | answered | gunes | CC BY-SA 4.0 |