Cross-Validation
In simple words
Getting an honest performance estimate when you do not have data to spare.
The fuller explanation is not written yet
This term has its meaning, its place on the map and its sources, and they are accurate. The longer write-up is still to come, and this page will say so until it does rather than padding the gap.
The sources below are the honest starting point.
Learn these first
Real prerequisites, taken from the map rather than guessed.
Sources
Where this came from, so you can go past us.
Where does this sit on your route?
The free assessment places you on the same map and names which terms stand between you and the role you want.
Take the free assessmentSee it in context
The Atlas shows this term with everything that leads into it and everything that follows, as one picture.
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