Statistics
Correlation Calculator Guide
Pearson correlation coefficient.
Strength of linear relationship.
Pearson r
-1 to +1. +1=perfect positive. 0=none. -1=perfect negative.
Strength
- 0.0-0.2:Very weak
- 0.4-0.6:Moderate
- 0.8-1.0:Very strong
Correlation≠Causation
Frequently Asked Questions
What is correlation?
Linear relationship strength. -1 to +1.
Correlation≠causation?
Moving together ≠ one causes other.
Strong?
|r|>0.6 strong. >0.8 very strong.