· The matrix plot draws a scatter for each pair of variables (lower triangle) and a distribution histogram on the diagonal; each cell shows the Pearson correlation r — the larger |r|, the stronger the relationship.
· Up to 6 variables, at least 5 observations.
About Matrix Plot (Scatterplot Matrix)
Generate a scatterplot matrix and correlation matrix online: pairwise relationships across variables, strong-correlation highlight and collinearity checks.