Articles | Volume 17, issue 15
https://doi.org/10.5194/gmd-17-5897-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-17-5897-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Methods for assessment of models
| 
07 Aug 2024
Methods for assessment of models |
| 07 Aug 2024
| 07 Aug 2024
kNNDM CV: k-fold nearest-neighbour distance matching cross-validation for map accuracy estimation
Jan Linnenbrink
CORRESPONDING AUTHOR
Institute of Landscape Ecology, University of Münster, Münster, Germany
Carles Milà
Barcelona Institute for Global Health (ISGlobal), Barcelona, Spain
Universitat Pompeu Fabra (UPF), Barcelona, Spain
Marvin Ludwig
Institute of Landscape Ecology, University of Münster, Münster, Germany
Hanna Meyer
Institute of Landscape Ecology, University of Münster, Münster, Germany
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Latest update: 20 Oct 2025
Short summary
Estimation of map accuracy based on cross-validation (CV) in spatial modelling is pervasive but controversial. Here, we build upon our previous work and propose a novel, prediction-oriented k-fold CV strategy for map accuracy estimation in which the distribution of geographical distances between prediction and training points is taken into account when constructing the CV folds. Our method produces more reliable estimates than other CV methods and can be used for large datasets.
Estimation of map accuracy based on cross-validation (CV) in spatial modelling is pervasive but...
