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DOIs instead of publisher URLs
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HannaMeyer committed Jan 9, 2025
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2 changes: 1 addition & 1 deletion man/CreateSpacetimeFolds.Rd

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2 changes: 1 addition & 1 deletion vignettes/cast01-CAST-intro.Rmd
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Expand Up @@ -193,7 +193,7 @@ global_validation(model)

By inspecting the output of the model, we see that in view to new locations, the R² is much lower and the RMSE much higher compared to what was expected from the random CV.

Apparently, there is considerable overfitting in the model, causing a good random performance but a poor performance in view to new locations. This might partly be attributed to the choice of variables where we must suspect that certain variables are misinterpreted by the model (see [Meyer et al 2018](https://www.sciencedirect.com/science/article/pii/S1364815217310976) or [talk at the OpenGeoHub summer school 2019](https://www.youtube.com/watch?v=mkHlmYEzsVQ)).
Apparently, there is considerable overfitting in the model, causing a good random performance but a poor performance in view to new locations. This might partly be attributed to the choice of variables where we must suspect that certain variables are misinterpreted by the model (see [Meyer et al 2018](https://doi.org/10.1016/j.envsoft.2017.12.001) or [talk at the OpenGeoHub summer school 2019](https://www.youtube.com/watch?v=mkHlmYEzsVQ)).

Let's have a look at the variable importance ranking of Random Forest. Assuming that certain variables are misinterpreted by the algorithm we should be able to produce a higher LLO performance when such variables are removed. Let's see if this is true...

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