Signals and leakage
Use signals and leakage to make decisions inspectable.
What you should be able to do
Independently: Mark training, validation and test periods and check future information.
Suggested prerequisites
A short guide
Use signals and leakage to make decisions inspectable. Mark training, validation and test periods and check future information. Read the indicated source section, identify its key concepts and conditions, and work through the example. Record inputs, sources, units and assumptions. Keep your method separate from the result, mark unanswered questions, and review the output against the checklist.
An example
Using information released after the close leaks future information.
Your task
Mark training, validation and test periods and check future information.
Start with this source
Read the indicated section relevant to signals and leakage and complete the applied task.
This source is awaiting renewed review. Try the task above and adjacent skills; reviewed sources will appear here.
Your learning checklist
Required items: 0 / 10 completed or already known
Next: Read a role through its responsibilities
Checklist statuses are self-reported; exercise scores are recorded separately. You can reset any item.
Try a practice set
Calculations and choices receive immediate checks. Review open responses yourself against the rubric. All examples are educational.