harmonize with upstream

12-spatial-cv.Rmd

@@ -26,10 +26,12 @@ library(lgr)                # logging framework for R
 library(mlr3)               # unified interface to machine learning algorithms
 library(mlr3learners)       # most important machine learning algorithms
 library(mlr3extralearners)  # access to even more learning algorithms
-library(mlr3spatiotempcv)   # spatiotemporal resampling strategies
+library(mlr3proba)          # make probabilistic predictions, here only needed for mlr3extralearners::list_learners()
+library(mlr3spatiotempcv)   # spatio-temporal resampling strategies
 library(mlr3tuning)         # hyperparameter tuning
 library(mlr3viz)            # plotting functions for mlr3 objects
 library(progressr)          # report progress updates
+library(pROC)               # compute roc values
 ```
 
 Required data will be attached in due course.