#Accuracy assessment

1 post

A land cover map of Sheffield and the Peak District predicted by a random forest: yellow grassland moors in the west, the red built-up area of Sheffield in the centre, pink cropland in the east and green woodland, with a second panel showing scattered red disagreement pixels.

Tutorial Python

Land cover classification in Python: a Sentinel-2 random forest with scikit-learn

Supervised land cover classification in Python: build seasonal Sentinel-2 composites with odc-stac, sample labels from ESA WorldCover, train a scikit-learn random forest, test it with spatial cross-validation and map Sheffield and the Peak District.

Intermediate 14 min read 17 October 2026