Download or read book Systems of frequency curves generated by transformations of logistic variables written by Pandu Ranga Rao Tadikamalla and published by . This book was released on 1979 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: The lognormal (S sub L, S sub B and S sub U systems of frequency curves are obtained by three simple transformations of the normal curve. By applying the same transformations to the logistic, systems L sub L, L sub B and L sub U are obtained. Some properties of these systems, and their relation to the S systems, are set out. Tables to facilitate fitting L sub U curves by moments are presented. (Author).