[Work & Writing](/work)

# Data pipelines

5 entries

## 2026

- [View case study](/work/you-inc)

  ### [You Inc](/work/you-inc)

  I wanted one view of what I own, owe, earn and spend. I built You Inc around a ledger, then took the accounts and billing back out so people could run it on their own machine.

  - Architecture
  - Data pipelines
  - Finance
  - Front-end development
  - Self-hosted
  - UX design

  [Source code](https://github.com/Slaymish/YouInc)

- - [20 January 2026 Writing](/posts/healthagent-apple-health-data-ingestion-and-insights)
    ### [Putting my Apple Health data in one place](/posts/healthagent-apple-health-data-ingestion-and-insights)
    [I brought my nutrition and activity data out of Apple Health and into Postgres, so I could compare the daily and weekly trends.](/posts/healthagent-apple-health-data-ingestion-and-insights)
    [- AI- Architecture- Data pipelines](/posts/healthagent-apple-health-data-ingestion-and-insights)

- [View case study](/work/health-agent)

  ### [HealthAgent](/work/health-agent)

  My nutrition and activity lived in different apps. I brought their Apple Health exports together so I could see the trends in one place.

  - AI
  - Architecture
  - Data pipelines
  - Front-end development

  [Source code](https://github.com/Slaymish/HealthAgent)

## 2025

- - [9 June 2025 Writing Report](/reports/wildfire-analysis-with-pyspark)
    ### [Wildfire Analysis with PySpark](/reports/wildfire-analysis-with-pyspark)
    [I used PySpark to train and compare models on 1.88 million US wildfire records. The report covers the features, training runs and what happened when I weighted the rare classes.](/reports/wildfire-analysis-with-pyspark)
    [- AI- Data pipelines](/reports/wildfire-analysis-with-pyspark)

- [View case study](/work/wildfire-pyspark)

  ### [Wildfire PySpark](/work/wildfire-pyspark)

  I worked with 1.88 million US wildfire records for a university project, and got into how a model could look accurate while missing the larger fires.

  - AI
  - Data pipelines