* installing *source* package ‘explainer’ ...
** using staged installation
** R
** byte-compile and prepare package for lazy loading
Note: possible error in 'layout(title = "ROC plots on the development set")': unused argument (title = "ROC plots on the development set") 
Note: possible error in 'layout(title = "ROC plots on the test set")': unused argument (title = "ROC plots on the test set") 
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (explainer)