相関と因果
相関は、二つのことが一緒に変化する関係を指し、因果は、一方のことが他方を引き起こす関係を指します。
Correlation and Causation: What’s the Difference? (Similar yet Different #162)
Correlation refers to the relationship between two events that occur together, while causation refers to the relationship between one event causing another.