Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. From Mr Ian Gordon. Sir, Speaking as a mathematician, I have to argue (or perhaps nit-pick) with Jason Streets’ ...

Logistic regression is a powerful statistical method that is used to model the probability that a set of explanatory (independent or predictor) variables predict data in an outcome (dependent or ...

THE logistic curve is often used in teaching ecology as a first description of growth of an animal population. For many reasons, frequency related to age structure and time-lag effects, it does not ...

A generalization of the common logistic function is developed, incorporating a non-unit saturation level, a non-zero intercept, and a non-symmetric shape. The dependence of the three generalized ...

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