Current

askdata.app — natural language for structured data

askdata.app is an LLM-powered interface that lets users explore datasets by asking questions in plain English. You connect a dataset, ask a question, and get back an answer, a chart, and the query that produced it – so you can check the work.

The interesting hard parts are schema understanding, hallucination control, and evaluation. Status: working prototype. Read the build notes →

Selected past work

Bernoulli One — continuous patient monitoring

Built a custom physiological indicator that detected severe events 12 seconds earlier than the industry standard at equal accuracy – enough lead time to change clinical action. Time-series and data mining on continuous patient monitoring data. Details.

BUILD — North Star for a national nonprofit

Helped a national youth-serving nonprofit shift their North Star from program count to student outcomes, then built the automated reporting connecting it to their data sources. Write-up.

Machine Learning for Good — open-source ML curriculum

Contributed to Delta Analytics’ open-source ML course for nonprofit data practitioners. GitHub.

Handy — R package for data cleaning

An R package for common data cleaning and exploration tasks – name cleaning, variable summaries, human-readable plot scales, Excel output.

Older explorations