Correlation - Definition
correlation
n 1: a reciprocal relation between two or more things [syn:
correlation, correlativity]
2: a statistic representing how closely two variables co-vary;
it can vary from -1 (perfect negative correlation) through 0
(no correlation) to +1 (perfect positive correlation); "what
is the correlation between those two variables?" [syn:
correlation coefficient, coefficient of correlation,
correlation]
3: a statistical relation between two or more variables such
that systematic changes in the value of one variable are
accompanied by systematic changes in the other [syn:
correlation, correlational statistics]