Dustin Lennon

Dustin Lennon

Applied Scientist
dlennon.org

 

Published Pages

a selected portfolio


Resume

Resume

[September 2020] Curriculum Vitae, my long-form resume

tags: dustin lennon, applied scientist, statistician

Data Science / Machine Learning

Data Science / Machine Learning

[October 2015] Uber Interview Challenge, My take on an Uber data-science assignment.

tags: uber, pre-interview, homework

[October 2013] Optimal Lending Club Portfolios, The paper characterizes an optimal, managed portfolio with annual returns in excess of 12%.

tags: lending club, optimal portfolios, survival random forest, machine learning

Statistical Modeling

Statistical Modeling

[November 2012] Probabilistic Performance Guarantees for Oversubscribed Resources, This paper constructs a model for shared resource utilization, determines stochastic bounds for resource exhaustion, and simulates results.

tags: simulation, stochastic resource allocation

Code Snippets

Code Snippets

[October 2019] An Introduction to pytrope.psycopg2_extras,

tags: python, matplotlib, pytrope, helper methods

[October 2019] An Introduction to pytrope.matplotlib_extras, This notebook serves as an introduction to the pytrope.matplotlib_extras package.

tags: python, matplotlib, pytrope, helper methods

[August 2019] Unlocking TrueType Fonts: Fontforge, Matplotlib, and Partially Ordered Occlusions, This post shows how to merge ttf files and manipulate truetype glyphs.

tags: python, fontforge, matplotlib, shapely

[September 2016] Adaptive Rejection Sampling, This post describes and implements an adaptive rejection sampler for log-concave densities.

tags: adaptive sampling, rejection sampling, logconcave density, distribution

Theory

Theory

[July 2019] Recommendation Systems, A Mathematical Overview, This post provides an overview of recommendation systems and algorithms.

tags: machine learning, recommendation systems, algorithms

[September 2018] Probability Integral Transform, A Proof, This post elucidates the connection between the generalized inverse, the cdf, the quantile function, and the uniform distribution.

tags: statistics, theory, probability integral transform, proof

Reproducible Research

Reproducible Research

[September 2019] [GH07] Figure 3.1: Mothers' education and children's test scores, This notebook replicates results in GH07, section 3.1, using (a) the statsmodels package and (b) the pystan package.

tags: jupyter notebook, statsmodels, pystan, simple linear regression, bayesian analysis, non-informative priors

Server / Admin

Server / Admin

[August 2015] Namecheap, Dynamic IP Addresses, and Hosting Multiple Sites, This post shows how to augment Namecheap's ddclient script to support multiple hosts on a dynamic IP.

tags: namecheap, ddclient, dynamic ip address, multiple sites

Miscellany

Miscellany

[August 2019] Published Pages Cheatsheet, This page catalogs the features available on the Published Pages framework.

tags: publishing, framework, feature overview

[July 2019] Recommending a Data Warehouse, This webpage gives an overview of Gartner's 2019 'critical capabilities' analysis and showcases a webtool that provides personalized recommendations.

tags: data warehouse, planning, personalization, gartner