--- title: Metrum News | William R. Gillespie --- [![Metrum research group](https://news.metrumrg.com/hs-fs/hubfs/Metrum%20-April2017/images/logo.png?width=235&height=55&name=logo.png "logo.png")](https://www.metrumrg.com/) [![](https://news.metrumrg.com/hs-fs/hubfs/Metrum%20-April2017/images/footer-logo%20(1).png?width=137&height=33&name=footer-logo%20(1).png "logo.png")](https://www.metrumrg.com/) [Contact](https://info.metrumrg.com/contact) - [About](https://www.metrumrg.com/about/) - [Services](https://www.metrumrg.com/services/) - [Metworx](https://www.metrumrg.com/solution/metworx/) - [Open Science](https://www.metrumrg.com/open-science/) - [Publications](https://www.metrumrg.com/publications/) - [Blog](https://news.metrumrg.com/blog) - [Events](https://www.metrumrg.com/events/) - [Careers](https://www.metrumrg.com/careers/) - [About](https://www.metrumrg.com/about/) - [Services](https://www.metrumrg.com/services/) - [Metworx](https://www.metrumrg.com/solution/metworx/) - [Open Science](https://www.metrumrg.com/open-science/) - [Publications](https://www.metrumrg.com/publications/) - [Blog](https://news.metrumrg.com/blog) - [Events](https://www.metrumrg.com/events/) - [Careers](https://www.metrumrg.com/careers/) Enter Search Item Enter Search Item # News ## William R. Gillespie ### Recent Posts ## [Torsten: Stan Functions for Pharmacometrics Applications](https://news.metrumrg.com/blog/torsten-stan-functions-for-pharmacometrics-applications) Posted by [William R. Gillespie](https://news.metrumrg.com/blog/author/william-r-gillespie) on Aug 13, 2018, 9:57:48 AM - [Tweet](https://twitter.com/share) [![](https://news.metrumrg.com/hubfs/Metrum%20-April2017/images/header-image.jpg)](https://news.metrumrg.com/blog/torsten-stan-functions-for-pharmacometrics-applications) Bill Gillespie, Ph.D., gave a presentation on "Torsten: Stan functions for pharmacometrics applications" at the "[Stan for Phamacometrics](http://www.go-isop.org/stan-for-pharmacometrics---paris-france)" event in Paris, France on July 24, 2018. You can view the presentation [here](https://www.metrumrg.com/wp-content/uploads/2018/08/torstenParis2018.pdf). [Read More](https://news.metrumrg.com/blog/torsten-stan-functions-for-pharmacometrics-applications) 0 Comments [Click here to read/write comments](https://news.metrumrg.com/blog/torsten-stan-functions-for-pharmacometrics-applications#comments-listing) Topics: [Methodology, Tools, and Computation](https://news.metrumrg.com/blog/topic/methodology-tools-and-computation) ## [Bayesian Data Analysis Using Stan/Torsten for Pharmacometric Applications](https://news.metrumrg.com/blog/bayesian-data-analysis-using-stan/torsten-for-pharmacometric-applications) Posted by [William R. Gillespie](https://news.metrumrg.com/blog/author/william-r-gillespie) on May 17, 2018, 4:37:37 PM - [Tweet](https://twitter.com/share) [![](https://news.metrumrg.com/hubfs/Metrum%20-April2017/images/header-image.jpg)](https://news.metrumrg.com/blog/bayesian-data-analysis-using-stan/torsten-for-pharmacometric-applications) William Gillespie, Ph.D. presented at the Midwest Biopharmaceutical Statistics Workshop on May 15, 2018. See presentation [**here**](https://www.metrumrg.com/wp-content/uploads/2018/05/BayesianPmetricsMBSW2018.pdf).  [Read More](https://news.metrumrg.com/blog/bayesian-data-analysis-using-stan/torsten-for-pharmacometric-applications) 0 Comments [Click here to read/write comments](https://news.metrumrg.com/blog/bayesian-data-analysis-using-stan/torsten-for-pharmacometric-applications#comments-listing) Topics: [Methodology, Tools, and Computation](https://news.metrumrg.com/blog/topic/methodology-tools-and-computation), [Bayesian](https://news.metrumrg.com/blog/topic/bayesian) ## [Gaining Efficiency by Combining Analytical and Numerical Methods to Solve ODEs: Implementation in Stan and Application to Bayesian PK/PD Modeling](https://news.metrumrg.com/blog/gaining-efficiency-by-combining-analytical-and-numerical-methods-to-solve-odes-implementation-in-stan-and-application-to-bayesian-pk/pd-modeling) Posted by [William R. Gillespie](https://news.metrumrg.com/blog/author/william-r-gillespie) on Oct 17, 2017, 9:30:12 AM - [Tweet](https://twitter.com/share) [![](https://news.metrumrg.com/hubfs/Metrum%20-April2017/images/header-image.jpg)](https://news.metrumrg.com/blog/gaining-efficiency-by-combining-analytical-and-numerical-methods-to-solve-odes-implementation-in-stan-and-application-to-bayesian-pk/pd-modeling) Poster presented at ACoP8 by  Charles C. Margossian  and William R. Gillespie. Check it out [here](https://news.metrumrg.com/hubfs/MixedSolver.pdf).  [Read More](https://news.metrumrg.com/blog/gaining-efficiency-by-combining-analytical-and-numerical-methods-to-solve-odes-implementation-in-stan-and-application-to-bayesian-pk/pd-modeling) 0 Comments [Click here to read/write comments](https://news.metrumrg.com/blog/gaining-efficiency-by-combining-analytical-and-numerical-methods-to-solve-odes-implementation-in-stan-and-application-to-bayesian-pk/pd-modeling#comments-listing) Topics: [Open Science](https://news.metrumrg.com/blog/topic/open-science) [All posts](https://news.metrumrg.com/blog/all) ## We love to share! Please take advantage of the content we provide here. Our goal is to help, encourge, and inspire you in your own work! 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