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)
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)
