Happyđ to Peter Armitage CBE b #OTD 1924 (d 14 Feb 2024) One of the few winners of all 3 Guy Medals & elected president of 3 statistical societies, he revolutionised the practice and profession of medical statistics, especially his work on statistical stopping rules for sequential medical trials
#OTD 1910 Maurice S Bartlett b (d 8 Jan 2002). ASA Fellow 1951; Guy Silver & Gold Medals; RSS President 1966. Known for Bartlettâs test for homogeneity of variances, he worked on stochastic processes, time series, & multivariate analyses & introduced Monte Carlo methods to ecology & epidemiology 1/
2/ Fun fact: Ronald Fisher who could never bear criticism quit the Cambridge Philosophical Society altogether when Bartlett published a paper in the Proceedings correcting some of Fisherâs ANCOVA errors.
#OTD 1937 Jerzy Neyman introduces the confidence interval in a talk given at the Royal Statistical Society. Listeners are not enthusiastic: in the vote of thanks, AJ Bowley wonders aloud if confidence intervals are just a âconfidence trickâ, doubts their validity & if they were any possible use.