| The Bitter Lesson in Electricity | July 24, 2025 | Zach Deane-Mayer | AI, Bitter Lesson, Electricity |
| Pydantic AI: o3-pro, Kimi-K2 and Grok-4 | July 18, 2025 | Zach Deane-Mayer | Python, AI, Pydantic, Pydantic-AI, o3 |
| Good, Cheap, Fast PR Reviews with O3 and Cursor | May 28, 2025 | Zach Deane-Mayer | AI, GitHub |
| Pydantic AI Now Supports O3 and O4-Mini | April 24, 2025 | Zach Deane-Mayer | Python, AI, Pydantic |
| The Case of the 500-Mile Email | April 3, 2025 | Zach Deane-Mayer | Data-Science, Best-Practices |
| You need a checklist | December 19, 2024 | Zach Deane-Mayer | Development, Resources |
| Prevent Hallucination with Reflection | December 18, 2024 | Zach Deane-Mayer | AI, LLMs, Prompt-Engineering |
| An (Incomplete) Guide to AI Coding Assistants and Agents (Winter 2024) | November 18, 2024 | Zach Deane-Mayer | AI, LLMs, Coding-Tools |
| Unlock 10x Better AI Responses with This Simple Prompt Technique | October 23, 2024 | Zach Deane-Mayer | AI, LLMs, Prompt-Engineering |
| Hard Drives for your Homelab: beyond $/TB | September 9, 2024 | Zach Deane-Mayer | Data-Science, Case-Studies |
| caretEnsemble 4.0 | August 20, 2024 | Zach Deane-Mayer | R, R-Packages, ML, Cross-Validation |
| Don't Overfit II - My First Place Solution | May 8, 2019 | Zach Deane-Mayer | R, Cross-Validation, ML, Data-Science, Kaggle |
| From Ecology to Data Science | March 12, 2019 | Zach Deane-Mayer | Data-Science, ML, Career-Insights, Interviews |
| Data Scientist Spotlight | February 19, 2019 | Thomas Dinsmore | Data-Science, Best-Practices, ML, Model-Evaluation |
| Allstate Claims Severity - My Winning Approach | December 13, 2016 | Zach Deane-Mayer | R, ML, Cross-Validation, Model-Evaluation, Data-Science, Kaggle |
| A Brief Hiatus | October 3, 2015 | Zach Deane-Mayer | Blog |
| Caretensemble 1.0 on Cran | January 16, 2015 | Zach Deane-Mayer | R, R-Packages |
| Down-sampling in Logistic Regression | August 20, 2013 | Zach Deane-Mayer | R, Statistics, ML, Data-Science |
| For Faster R on a Mac, Use Veclib | July 10, 2013 | Zach Deane-Mayer | R, Performance |
| Caretensemble Classification Example | March 17, 2013 | Zach Deane-Mayer | R, R-Packages, ML |
| New Package for Ensembling R Models | March 13, 2013 | Zach Deane-Mayer | R, Cross-Validation, ML, R-Packages |
| Time Series Cross-validation 5 | January 24, 2013 | Zach Deane-Mayer | R, R-Packages, Cross-Validation, Time-Series |
| Error Metrics for Multi-class Problems in R: Beyond Accuracy and Kappa | July 6, 2012 | Zach Deane-Mayer | R, R-Packages, Cross-Validation, ML |
| Time Series Cross-validation 4: Forecasting the S&P 500 | June 11, 2012 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, ML |
| My First R Package: Parallel Differential Evolution | January 23, 2012 | Zach Deane-Mayer | R, Performance |
| Benchmarking Time Series Models | December 29, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, ML, Archives |
| Time Series Cross-validation 3 | December 12, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, ML, Archives |
| Time Series Cross-validation 2 | November 22, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, ML |
| Functional and Parallel Time Series Cross-validation | November 21, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, ML |
| Backtesting Part 4: Random Strategies | October 21, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, ML |
| Strong Correlation With High P-value | October 21, 2011 | Zach Deane-Mayer | R, Statistics, Data-Science |
| Backtesting a Simple Stock Trading Strategy: Part 3 | October 17, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, ML |
| Recession Forecasting III: A Better Naive Forecast | September 20, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, ML, Archives |
| Backtesting Part 2: Splits, Dividends, Trading Costs and Log Plots | September 16, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, ML |
| Correlations Among Us Stocks: Is It Really Time to Fire Your Adviser? | September 15, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, ML |
| Backtesting a Simple Stock Trading Strategy | September 13, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, ML |
| 25+ More Ways to Bring Data Into R | August 26, 2011 | Zach Deane-Mayer | R, Data-Science |
| Because It's Friday: Spurious Correlation Edition | August 26, 2011 | Zach Deane-Mayer | R, Data-Science, Archives |
| Graphically Analyzing Variable Interactions in R | August 23, 2011 | Zach Deane-Mayer | R, Data-Science |
| Recession Forecasting II: Assessing Hussman's Accuracy | August 22, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series, Archives |
| A Pure R Poker Hand Evaluator | August 15, 2011 | Zach Deane-Mayer | R, Tutorials |
| Using the Google Prediction API From R | August 10, 2011 | Zach Deane-Mayer | R, ML, Archives |
| Scraping Web Data in R | August 10, 2011 | Zach Deane-Mayer | R, Data-Science |
| Forecasting Recessions | August 9, 2011 | Zach Deane-Mayer | R, Cross-Validation, Time-Series |
| Parallel Random Forests Using Foreach | July 22, 2011 | Zach Deane-Mayer | R, Case-Studies, ML |
| Importing Google News Data to R | July 6, 2011 | Zach Deane-Mayer | R, Time-Series |
| Kaggle Competition Walkthrough: Wrapup | June 1, 2011 | Zach Deane-Mayer | R, Case-Studies, Cross-Validation, ML |
| Kaggle Competition Walkthrough: Fitting a Model | May 12, 2011 | Zach Deane-Mayer | R, Case-Studies |
| Kaggle Competition Walkthrough: Introduction | May 3, 2011 | Zach Deane-Mayer | R, Case-Studies, Cross-Validation, ML |
| Parallelizing and Cross-validating Feature Selection in R | April 29, 2011 | Zach Deane-Mayer | R, Case-Studies, Cross-Validation, ML |
| Intro | April 23, 2011 | Zach Deane-Mayer | Blog |
