John Nelder
| John Ashworth Nelder | |
|---|---|
 |
|
| Born |
8 October 1924 Brushford, Somerset, England |
| Died | 7 August 2010 (aged 85) Luton, Bedfordshire, England |
| Residence | United Kingdom |
| Citizenship | United Kingdom |
| Fields | Statistics |
| Institutions |
National Vegetable Research Station Rothamsted Experimental Station Imperial College London |
| Alma mater | University of Cambridge |
| Known for | Generalized linear models, analysis of complex experimental designs, Nelder–Mead algorithm, GLIM, GenStat |
| Notable awards |
Fellow of the Royal Society (1976) Guy Medal (Silver, 1977) (Gold, 2005) |
John Ashworth Nelder FRS (8 October 1924 – 7 August 2010) was a British statistician known for his contributions to experimental design, analysis of variance, computational statistics, and statistical theory.
Nelder's work was influential in statistics. While leading research at Rothamsted Experimental Station, Nelder developed and supervised the updating of the statistical software packages GLIM and GenStat: Both packages are flexible high-level programming languages that allow statisticians to formulate linear models concisely. GLIM influenced later environments for statistical computing such as S-PLUS and R. Both GLIM and GenStat have powerful facilities for the analysis of variance for block experiments, an area where Nelder made many contributions.
In statistical theory, Nelder and Wedderburn proposed the generalized linear model. Generalized linear models were formulated by John Nelder and Robert Wedderburn as a way of unifying various other statistical models, including linear regression, logistic regression and Poisson regression. They proposed an iteratively reweighted least squares method for maximum likelihood estimation of the model parameters.
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