Added column method for computing multiple correlation constants.

It will of course be understood that I make no absurd profession of being able by these very few experiments to lay down statistical constants of universal application, but that my principal object is to show that a large class of mental phenomena, that have hitherto been too vague to lay hold of, admit of being caught by the firm grip of genuine statistical inquiry.

History must remember the constants of Man and of Nature, but be always expecting their variables, lest her prophetic gift fall into ill-repute.

No university requires any numerical constant of height as qualification for a degree; and if they did, 549 feet would be excessive, unless, perhaps, at Warsaw, where everybody is tall enough to end in ski.]