Paper, 'Co-relations and their measurement, chiefly from anthropometric data' by Francis Galton

Description

Galton writes '“Co-relation or correlation of structure” is a phrase much used in biology, and not least in that branch of it which refers to heredity, and the idea is even more frequently present than the phrase; but I am not aware of any previous attempt to define it clearly, to trace its mode of action in detail, or to show how to measure its degree. Two variable organs are said to be co-related when the variation of the one is accompanied on the average by more or less variation of the other, and in the same direction. Thus the length of the arm is said to be co-related with that of the leg, because a person with a long arm has usually a long leg, and conversely.'

Annotations in pencil and ink.

Subject: Biology / Statistics

Received 5 December 1888. Read 20 December 1888.

A version of this paper was published in volume 45 of the Proceedings of the Royal Society as 'Co-relations and their measurement, chiefly from anthropometric data'.

Reference number

PP/13/6

Earliest possible date

1888

Physical description

Ink and graphite pencil on paper

Page extent

15 pages

Format

Manuscript