Glossary term
What is Correlation?
In Apex Flow Academy, "Correlation" means: A number from -1 to +1 that shows how closely two numbers move together. It says nothing about cause. It is taught in Data Analytics From Scratch: Answer Real Business Questions. Related terms include Join, Confounder, Percentage points and Guardrail metric. Every Apex Flow Academy course lists the official sources it checked.
- 1 course teaches it
- plain-word definition
The facts
What is Correlation?
A number from -1 to +1 that shows how closely two numbers move together. It says nothing about cause.
Where is Correlation taught?
Correlation is defined in Data Analytics From Scratch: Answer Real Business Questions.
Which lessons cover Correlation?
These lessons name it in their title or objectives:
- Data Analytics From Scratch: Answer Real Business Questions, lesson 4.3: Correlation Is Not Cause: Ask What Else Changed
Which terms are related to Correlation?
Next to Correlation in the course glossaries: Join, Confounder, Percentage points, Guardrail metric, Rate and denominator, Stress test, Gross and net and Reproducible.
JoinConfounderPercentage pointsGuardrail metricRate and denominatorStress testGross and netReproducible
The hard questions, answered straight
Bold questions people really ask. Each answer comes from the course data or a settled Academy fact.
Do I need experience before I learn Correlation?
It depends on the course. Each course that teaches it lists its own prerequisites, and all are listed at beginner level:
- Data Analytics From Scratch: Answer Real Business Questions: You can save and find a file on your computer.