Tutorial
6 articles
Census API Key in Python: Setup, Rate Limits, and ACS Data
The Census API now requires a key. Here is where the key goes in the request, how we handle IP rate limits, and how we validate ACS data in Python.
GTFS Validation in Python: An Article-Reported Workflow
A six-layer GTFS validation workflow. Seven-county and 11-feed results are article-reported; the project scripts are not publicly reproduced.
Imbalanced Classification: An Article-Reported Example
A scikit-learn workflow for imbalanced classification. Dataset counts and model metrics are article-reported; the implementation is not public.
SHAP Classifier Interpretation: An Article-Reported Example
A SHAP workflow for classifier interpretation. AUC, feature counts, runtime, and the referenced implementation are not publicly reproduced.
GeoPandas Spatial Joins: An Illustrative Workflow
An illustrative GeoPandas workflow from spatial joins through Moran's I and LISA. Results are article-reported; no public package reproduces them.
Build Transit Travel-Time Matrices with Free Tools
Build a local transit travel-time matrix with r5py 1.1.7, frozen GTFS and OpenStreetMap inputs, and no paid routing API.