June 13, 2024

Casualty Actuarial Society - Akur8 Webinar: Derivative Lasso: Credibility-based signal fitting for GLMs

Derivative Lasso is a cutting edge machine learning technique that seamlessly merges actuarial credibility, robustness and interpretability into a transformative actuarial pricing tool. This method is consistent with the Lasso Credibility concept covered in the upcoming CAS monograph. Where traditional GLMs are viewed as highly manual due to feature engineering being an overly iterative process, Derivative Lasso advances the field, embedding this process directly within its core. Using real-world data, this session will spotlight the challenges in current GLM modeling and unveil the power and precision of the Derivative Lasso framework. Attendees will discover how it automates feature engineering, fortifies model robustness, and elevates interpretability, marking a significant leap in penalized regression modeling that keeps GLMs on par with newer modeling frameworks.

Learning Objectives:

  1. Evaluate the limitations of traditional GLMs in terms of manual feature engineering and iterative processes.
  2. Apply the Derivative Lasso technique to automate feature engineering while maintaining model robustness and interpretability.
  3. Compare the performance and efficiency of Derivative Lasso to traditional GLMs, focusing on improvements in automation, robustness, and interpretability.
Featured speaker:
Max Martinelli, Actuarial Data Scientist, Akur8
Mattia Casotto, Head of Product US & Principal Scientist, Akur8
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Learn more about the speakers

Max Martinelli portrait
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Max Martinelli, Actuarial Data Scientist, Akur8

Max Martinelli joined Akur8 as an Actuarial Data Scientist in 2023. He works with clients to ensure they get the most out of Akur8's transparent machine learning software. This ranges from actuarial modeling advice to collaborating on how an insurer can get the most out of their data. Before this, Max worked in various actuarial and data science roles at Allstate for nearly 8 years. He has worked on auto, property and specialty lines with a broad scope of projects. These ranged from traditional actuarial indications to price optimization to cutting-edge high-fidelity telematics models. His work spanned from production grade models to rapid research models to further Allstate's pricing sophistication with extensive use of GLMs, GLMnets, GBMs and Bayesian GLMs.

Mattia Casotto, Head of Product US & Principal Scientist, Akur8
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Mattia Casotto, Head of Product US & Principal Scientist, Akur8

Mattia Casotto is the Head of Product US & Principal Scientist at Akur8. He has more than 8 years of experience on predictive modeling in insurance and is one of the founding members of Akur8. He is one of the co-author of the white-paper ‘Credibility and Penalized Regression’.