For this analysis, we used the BigQuery dataset of HN (https://console.cloud.google.com/marketplace/product/y-combi...). We created one more table to pre-calculate yearly retention. And of course, a lot of the heavy lifting is done by OpenAI's GPT-4 models and the fantastic plotly library for visualization.
Let us know what other things you'd like to see about Hacker News data in the comments, and try our best to share the answers!