The Applications and Mechanical Calculation of Correlation Coefficients in Journal of the Franklin Institute, Vol. 201, No. 3, 1926, pp 337-350
Philadelphia: Franklin Institute, 1926. 1st Edition. FIRST EDITION DODD’S 1926 CORRELATION COEFFICIENT CALCULATOR. The paper is accompanied by three illustrations and a photograph of his correlation machine. Stuart Dodd, a researcher at Princeton University, built a machine to automatically calculate correlations – a correlation calculator. Correlation is a statistical concept..... More