Learning Bayesian Statistics  Por  arte de portada

Learning Bayesian Statistics

De: Alexandre Andorra
  • Resumen

  • Are you a researcher or data scientist / analyst / ninja? Do you want to learn Bayesian inference, stay up to date or simply want to understand what Bayesian inference is? Then this podcast is for you! You'll hear from researchers and practitioners of all fields about how they use Bayesian statistics, and how in turn YOU can apply these methods in your modeling workflow. When I started learning Bayesian methods, I really wished there were a podcast out there that could introduce me to the methods, the projects and the people who make all that possible. So I created "Learning Bayesian Statistics", where you'll get to hear how Bayesian statistics are used to detect black matter in outer space, forecast elections or understand how diseases spread and can ultimately be stopped. But this show is not only about successes -- it's also about failures, because that's how we learn best. So you'll often hear the guests talking about what *didn't* work in their projects, why, and how they overcame these challenges. Because, in the end, we're all lifelong learners! My name is Alex Andorra by the way, and I live in Estonia. By day, I'm a data scientist and modeler at the https://www.pymc-labs.io/ (PyMC Labs) consultancy. By night, I don't (yet) fight crime, but I'm an open-source enthusiast and core contributor to the python packages https://docs.pymc.io/ (PyMC) and https://arviz-devs.github.io/arviz/ (ArviZ). I also love https://www.pollsposition.com/ (election forecasting) and, most importantly, Nutella. But I don't like talking about it – I prefer eating it. So, whether you want to learn Bayesian statistics or hear about the latest libraries, books and applications, this podcast is for you -- just subscribe! You can also support the show and https://www.patreon.com/learnbayesstats (unlock exclusive Bayesian swag on Patreon)!
    Copyright Alexandre Andorra
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Episodios
  • #110 Unpacking Bayesian Methods in AI with Sam Duffield
    Jul 10 2024

    Proudly sponsored by PyMC Labs, the Bayesian Consultancy. Book a call, or get in touch!

    • My Intuitive Bayes Online Courses
    • 1:1 Mentorship with me

    Our theme music is « Good Bayesian », by Baba Brinkman (feat MC Lars and Mega Ran). Check out his awesome work!

    Visit our Patreon page to unlock exclusive Bayesian swag ;)

    Takeaways:

    • Use mini-batch methods to efficiently process large datasets within Bayesian frameworks in enterprise AI applications.
    • Apply approximate inference techniques, like stochastic gradient MCMC and Laplace approximation, to optimize Bayesian analysis in practical settings.
    • Explore thermodynamic computing to significantly speed up Bayesian computations, enhancing model efficiency and scalability.
    • Leverage the Posteriors python package for flexible and integrated Bayesian analysis in modern machine learning workflows.
    • Overcome challenges in Bayesian inference by simplifying complex concepts for non-expert audiences, ensuring the practical application of statistical models.
    • Address the intricacies of model assumptions and communicate effectively to non-technical stakeholders to enhance decision-making processes.

    Chapters:

    00:00 Introduction to Large-Scale Machine Learning

    11:26 Scalable and Flexible Bayesian Inference with Posteriors

    25:56 The Role of Temperature in Bayesian Models

    32:30 Stochastic Gradient MCMC for Large Datasets

    36:12 Introducing Posteriors: Bayesian Inference in Machine Learning

    41:22 Uncertainty Quantification and Improved Predictions

    52:05 Supporting New Algorithms and Arbitrary Likelihoods

    59:16 Thermodynamic Computing

    01:06:22 Decoupling Model Specification, Data Generation, and Inference

    Thank you to my Patrons for making this episode possible!

    Yusuke Saito, Avi Bryant, Ero Carrera, Giuliano Cruz, Tim Gasser, James Wade, Tradd Salvo, William Benton, James Ahloy, Robin Taylor,, Chad Scherrer, Zwelithini Tunyiswa, Bertrand Wilden, James Thompson, Stephen Oates, Gian Luca Di Tanna, Jack Wells, Matthew Maldonado, Ian Costley, Ally Salim, Larry Gill, Ian Moran, Paul Oreto, Colin Caprani, Colin Carroll, Nathaniel Burbank, Michael Osthege, Rémi Louf, Clive Edelsten, Henri Wallen, Hugo Botha, Vinh Nguyen, Marcin Elantkowski, Adam C. Smith, Will Kurt, Andrew Moskowitz, Hector Munoz, Marco Gorelli, Simon Kessell, Bradley Rode, Patrick Kelley, Rick Anderson, Casper de Bruin, Philippe Labonde, Michael Hankin, Cameron Smith, Tomáš Frýda, Ryan Wesslen, Andreas Netti, Riley King, Yoshiyuki Hamajima, Sven De Maeyer, Michael DeCrescenzo, Fergal

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    1 h y 12 m
  • #109 Prior Sensitivity Analysis, Overfitting & Model Selection, with Sonja Winter
    Jun 25 2024

    Proudly sponsored by PyMC Labs, the Bayesian Consultancy. Book a call, or get in touch!

    • My Intuitive Bayes Online Courses
    • 1:1 Mentorship with me

    Our theme music is « Good Bayesian », by Baba Brinkman (feat MC Lars and Mega Ran). Check out his awesome work !

    Visit our Patreon page to unlock exclusive Bayesian swag ;)

    Takeaways

    • Bayesian methods align better with researchers' intuitive understanding of research questions and provide more tools to evaluate and understand models.
    • Prior sensitivity analysis is crucial for understanding the robustness of findings to changes in priors and helps in contextualizing research findings.
    • Bayesian methods offer an elegant and efficient way to handle missing data in longitudinal studies, providing more flexibility and information for researchers.
    • Fit indices in Bayesian model selection are effective in detecting underfitting but may struggle to detect overfitting, highlighting the need for caution in model complexity.
    • Bayesian methods have the potential to revolutionize educational research by addressing the challenges of small samples, complex nesting structures, and longitudinal data.
    • Posterior predictive checks are valuable for model evaluation and selection.

    Chapters

    00:00 The Power and Importance of Priors

    09:29 Updating Beliefs and Choosing Reasonable Priors

    16:08 Assessing Robustness with Prior Sensitivity Analysis

    34:53 Aligning Bayesian Methods with Researchers' Thinking

    37:10 Detecting Overfitting in SEM

    43:48 Evaluating Model Fit with Posterior Predictive Checks

    47:44 Teaching Bayesian Methods

    54:07 Future Developments in Bayesian Statistics

    Thank you to my Patrons for making this episode possible!

    Yusuke Saito, Avi Bryant, Ero Carrera, Giuliano Cruz, Tim Gasser, James Wade, Tradd Salvo, William Benton, James Ahloy, Robin Taylor,, Chad Scherrer, Zwelithini Tunyiswa, Bertrand Wilden, James Thompson, Stephen Oates, Gian Luca Di Tanna, Jack Wells, Matthew Maldonado, Ian Costley, Ally Salim, Larry Gill, Ian Moran, Paul Oreto, Colin Caprani, Colin Carroll, Nathaniel Burbank, Michael Osthege, Rémi Louf, Clive Edelsten, Henri Wallen, Hugo Botha, Vinh Nguyen, Marcin Elantkowski, Adam C. Smith, Will Kurt, Andrew Moskowitz, Hector Munoz, Marco Gorelli, Simon Kessell, Bradley Rode, Patrick Kelley, Rick Anderson, Casper de Bruin, Philippe Labonde, Michael Hankin, Cameron Smith, Tomáš Frýda, Ryan Wesslen, Andreas Netti, Riley King, Yoshiyuki Hamajima, Sven De Maeyer, Michael DeCrescenzo, Fergal M, Mason Yahr, Naoya Kanai, Steven Rowland, Aubrey Clayton, Jeannine Sue, Omri Har Shemesh, Scott Anthony Robson, Robert Yolken, Or Duek, Pavel Dusek, Paul Cox, Andreas Kröpelin, Raphaël R, Nicolas Rode, Gabriel Stechschulte, Arkady, Kurt TeKolste, Gergely Juhasz, Marcus Nölke, Maggi...

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    1 h y 11 m
  • #108 Modeling Sports & Extracting Player Values, with Paul Sabin
    Jun 14 2024

    Proudly sponsored by PyMC Labs, the Bayesian Consultancy. Book a call, or get in touch!

    • My Intuitive Bayes Online Courses
    • 1:1 Mentorship with me

    Our theme music is « Good Bayesian », by Baba Brinkman (feat MC Lars and Mega Ran). Check out his awesome work!

    Visit our Patreon page to unlock exclusive Bayesian swag ;)

    Takeaways

    • Convincing non-stats stakeholders in sports analytics can be challenging, but building trust and confirming their prior beliefs can help in gaining acceptance.
    • Combining subjective beliefs with objective data in Bayesian analysis leads to more accurate forecasts.
    • The availability of massive data sets has revolutionized sports analytics, allowing for more complex and accurate models.
    • Sports analytics models should consider factors like rest, travel, and altitude to capture the full picture of team performance.
    • The impact of budget on team performance in American sports and the use of plus-minus models in basketball and American football are important considerations in sports analytics.
    • The future of sports analytics lies in making analysis more accessible and digestible for everyday fans.
    • There is a need for more focus on estimating distributions and variance around estimates in sports analytics.
    • AI tools can empower analysts to do their own analysis and make better decisions, but it's important to ensure they understand the assumptions and structure of the data.
    • Measuring the value of certain positions, such as midfielders in soccer, is a challenging problem in sports analytics.
    • Game theory plays a significant role in sports strategies, and optimal strategies can change over time as the game evolves.

    Chapters

    00:00 Introduction and Overview

    09:27 The Power of Bayesian Analysis in Sports Modeling

    16:28 The Revolution of Massive Data Sets in Sports Analytics

    31:03 The Impact of Budget in Sports Analytics

    39:35 Introduction to Sports Analytics

    52:22 Plus-Minus Models in American Football

    01:04:11 The Future of Sports Analytics

    Thank you to my Patrons for making this episode possible!

    Yusuke Saito, Avi Bryant, Ero Carrera, Giuliano Cruz, Tim Gasser, James Wade, Tradd Salvo, William Benton, James Ahloy, Robin Taylor,, Chad Scherrer, Zwelithini Tunyiswa, Bertrand Wilden, James Thompson, Stephen Oates, Gian Luca Di Tanna, Jack Wells, Matthew Maldonado, Ian Costley, Ally Salim, Larry Gill, Ian Moran, Paul Oreto, Colin Caprani, Colin Carroll, Nathaniel Burbank, Michael Osthege, Rémi...

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    1 h y 18 m

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