Training materials

Introduction

Kick-off

Ensuring everyone has the appropriate tools and background knowledge to start the training.

• Slide deck.

• Video.

Rules as Code background

Introducing Rules as Code (RaC) and how it fits with existing practices and institutional frameworks.

• Slide deck.

Modelling legislation

Getting started

Clone the country template, set up a public git repository.

• Slide deck.

• Video.

Choosing which rules to start modelling

Understanding policy relevance, technical constraints and testing considerations.

• Slide deck.

• Video.

Writing OpenFisca code

Writing variables, formulas, parameters and test suites.

• Slide deck.

• Video.

Modelling collaboratively across silos and disciplines

A presentation highlighting the need for collaborative modelling in order to deliver a complete model, the difficulties in achieving it and the ways in which OpenFisca supports that goal.

• Online version for reading on your own.

• Full presentation with more intermediary steps for in-person delivery by trainers.

Integrating calculations with APIs

Python API

Leveraging OpenFisca calculations for datascience and large-scale computation.

• Slide deck.

Web API

Integrating OpenFisca calculations in a web or mobile application.

• Slide deck.

• Video.

Building an OpenFisca-powered web application from scratch

A workshop guiding through building a web application from scratch to provide a graphical user interface over the web API of the Country Template demonstration model.

Session 1: Introduction to the Web API

• Step-by-step guide.

Session 2: Web App Bootstrap

• Step-by-step guide.

Session 3: Calculate Income Tax With Svelte

• Calculate a variable for an individual.

• Recalculate a variable for an individual.

Session 4: Calculate Disposable Income With React

• Calculate a variable for a group of individuals.

• Recalculate a variable for a group of individuals.

Session 5: Expand Disposable Income Over Axes With VueJS and D3

• Expand a variable over axes.

Credit

Authors

• The training program was co-created by Hamish Fraser and Matti Schneider.

• The “Building an OpenFisca-powered web application” workshop was created by Mauko Quiroga.

• The “Modelling collaboratively across silos and disciplines” presentation was created by Thomas Guillet.

Videos

The videos of the training sessions were recorded as part of the 2024 Cohort of the EU GovTech4All program.

Funders

These training materials were co-funded by the French Interministerial Direction for Digital Affairs (DINUM) and the European Commission under the GovTech4All program.