a matrix giving the correlations between all pairs of data sets

a reciprocal relation between two or more things

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)

- parametric statistic
- product-moment correlation coefficient
- split-half correlation
- multiple correlation coefficient
- correlation coefficient
- tetrachoric correlation
- coefficient of correlation
- Pearson product-moment correlation coefficient
- biserial correlation coefficient
- biserial correlation
- chance-half correlation
- tetrachoric correlation coefficient

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

(mathematics) a rectangular array of quantities or expressions set out by rows and columns; treated as a single element and manipulated according to rules

the body substance in which tissue cells are embedded

the formative tissue at the base of a nail

an enclosure within which something originates or develops (from the Latin for womb)