Some observations on the Rideal-Walker test

Some Observations on the Scree Test,

The scree test for the number of factors dates back to Cattell (1966). Cattell reported that the process which led to the development of the scree test was one which had him extracting the principal components of correlation matrices, and then looking for ―...various signs...‖ in the resultant eigenvalues (which he preferred to call latent roots). Writing in response to a request from Current

Rideal-Walker Co-Efficients of the Following Disinfectants (On Bacillus Typhosus)

Phenolote, Smith, Stanistreet & Co.'s Cooper's Fluid McDougall's Soluble No. 5 Carbolic ? Disinfecting Fluid Creolin, Jeye's Pearson's Antiseptic Lysol Little's Soluble Phenyle Kill-germ Lawe's Disinfectant Fluid Essett's Fluid Zotel, Burgoyne Burbidge & Co.'s Germocene Bactox Carbolic Acid Lozar Rowan's Fluid Lysoform Eukotas Antozone Sanitas Fluid Phenyle imitations, without brand,' usually s...

Some observations on the feeding of the guinea pig

Some Observations on the Wilcoxon Rank Sum Test

This manuscript presents some general comments about the Wilcoxon rank sum test. Even the most casual reader will gather that I am not too impressed with the scientific usefulness of the Wilcoxon test. However, the actual motivation is more to illustrate differences between parametric, semiparametric, and nonparametric (distribution-free) inference, and to use this example to illustrate how man...

A Preliminary Study of the Rideal-Walker Coefficient Values of Certain Indigenous Essential Oils