# API Reference


## Dataclasses


Dataclass definitions


[NostalgiaIndex](NostalgiaIndex.md#nostalgia_index.NostalgiaIndex)  
Compute and hold the nostalgia index for one or more topics.


## Functions


Utility functions


[fetch_project_total()](fetch_project_total.md#nostalgia_index.fetch_project_total)  
Fetch total daily views for a project (`/aggregate/` endpoint), used as the denominator.

[fetch_views()](fetch_views.md#nostalgia_index.fetch_views)  
Fetch daily pageviews for a single Wikipedia article.

[run_app()](run_app.md#nostalgia_index.run_app)  
Launch the Nostalgia Index Shiny app.