a symmetric matrix, square in shape, which shows the magnitude of correlation between two traits scaled so that the value of +1 shows a perfect positive correlation, -1 shows a perfect negative correlation, and zero shows no correlation at all.
a symmetric matrix, square in shape, which shows the magnitude of correlation between two traits scaled so that the value of +1 shows a perfect positive correlation, -1 shows a perfect negative correlation, and zero shows no correlation at all.