Skip to content

Document legislation parameters can be non-numeric #234

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Mar 26, 2021
Merged

Document legislation parameters can be non-numeric #234

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
5ac81eb
Improve phrasings
MattiSG Mar 23, 2021
5c562f7
Document that parameters can be non-numeric
MattiSG Mar 23, 2021
f795127
Fix punctuation
MattiSG Mar 23, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 8 additions & 6 deletions source/key-concepts/parameters.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,15 +1,17 @@
# Parameters

A parameter is a numeric property of the legislation which can evolve over time.
A parameter is a property of the legislation that changes over time.

Unlike a [variable](./variables.md), a parameter is **not** specific to a specific person or family.
Unlike a [variable](./variables.md), a parameter is **not** specific to a specific entity (person, household…).

For instance:

* The amount of the *minimum wage*
* The amount of *family allowance per children*
* The *marginal tax scale* used to calculate the income tax
- the amount of the minimum wage;
- the amount of family allowance per children;
- the marginal tax scale used to calculate the income tax;
- the maximum age at which a person is entitled to some benefits;
- the list of regions in which a tax is applicable…

Parameters are used in [formulas](./variables.md#formulas) to calculate variable values.

[Read more about their implementation in OpenFisca](../coding-the-legislation/legislation_parameters.md)
[Read more about their implementation in OpenFisca](../coding-the-legislation/legislation_parameters.md).