[Reply by Feb 22] Aggregating PSL project updates, Jan 23 to Feb 22

  • Reporting period: Jan 23, 2020 to Feb 22, 2021
  • Reply by: Feb 22, 2021 (Mon)
  • Aggregated draft to be posted here by: Feb 23, 2021 (Tue)


This is a thread to aggregate project updates for the February NumFOCUS and PSL newsletters. Please reply with developments pertinent to the projects you have worked on during the reporting period. Please include URLs where applicable.

Items to consider:

  1. New releases or features
  2. General updates
    • Recent achievements you’re most proud of
    • What are you working on? What’s coming up? Where do you need help?
    • Upcoming events
    • Job openings

Feel free to contact me with questions. Thanks!

Tax-Calculator has been used in the Niskanen Center’s “Analysis of the Romney Child Allowance”. Link


@weifeng.zhong I have a couple ParamTools updates. Hope I’m not past the cut off! Thanks!

1 Like

Tax-Brain got new Jupyter-Book documentation: https://pslmodels.github.io/Tax-Brain/content/intro.html

OG-USA updates for consistency with the Feb 2021 CBO baseline forecasts: https://github.com/PSLmodels/OG-USA/pull/713

Thanks @weifeng.zhong!


We released microdf 0.3.0, which introduces the MicroDataFrame and MicroSeries objects. These mirror the behavior of pandas objects, but allow users to set a weights attribute. Aggregation functions like median and sum are then called with the normal pandas-style commands, with results automatically weighted; special functions like MicroSeries.gini() are also implemented.

1 Like

Below are the aggregated updates for NumFOCUS newsletter. The aggregated updates for PSL newsletter are in this pull request.

Please reply with corrections or edits by noon on Wednesday, 2/24/2021.


The Policy Simulation Library (PSL) is a collection of open-source models and software for public-policy decisionmaking.

General announcements: