A relationship in which two or more variables or phenomena are related or show a pattern together; correlation or interrelation between things.
データに相関関係があるかどうかを統計的に検証した。
We statistically tested whether there is a correlation in the data.
喫煙と肺がんの間に強い相関関係が認められる。
A strong correlation is observed between smoking and lung cancer.
収入と幸福度の相関関係は単純には決められないことが多い。
The correlation between income and happiness is often not straightforward.