Numerical data used in the article "Symmetries of weighted networks: weight approximation method and its application to food webs" by Mateusz Iskrzyński, Julia Korol, Aleksandra Puchalska.

Numerical data underpinning the results presented in the article "Symmetries of weighted networks: weight approximation method and its application to food webs". Authors: Mateusz Iskrzyński, Julia Korol, Aleksandra Puchalska. Version v4 adds an animation visualising the food web of the Peru upwelling ecosystem, drawn with foodwebviz* The preprint: https://arxiv.org/abs/2506.11824, https://doi.org/10.48550/arXiv.2506.11824*github.com/ibs-pan/foodwebviz/