Attribution
===========

The materials represented on these pages have been gathered from various sources:

- `r5py -documentation <https://r5py.readthedocs.io/en/stable/>`__ (r5py contributors, 2022)
- `r5r -documentation <https://cran.r-project.org/web/packages/r5r/>`__ (r5r contributors, 2022)
- `Introduction to Python for Geographic Data Analysis -book <https://pythongis.org/>`__ (Tenkanen, Heikinheimo & Whipp, forthcoming)
- `Spatial Data Science for Sustainable Development -course <http://sustainability-gis.readthedocs.org/>`__ (Tenkanen, 2022).