Guberney

icon company UdeA, Colombia icon location Medellín, Colombia icon location I work with Universidad de Antioquia, my academics topic is about Human Development, social exclusion, and poverty. Also, behavioral science from economics.

Results 4 comments of Guberney

Tuning random forest hyperparameters with #TidyTuesday trees data | Julia Silge

Hello Julia, thank a lot for the post and the video. Do you recommend to add importance variable for training at the initial tune_spec or update the workflow at the...

Introducing our new book, Tidy Modeling with R | Julia Silge

Hello Julia, There is any problem to compare Xgboost with others algorithms using workflowsets package? When I try to do, This is the error: "Error in xgboost::xgb.DMatrix(x, label = y,...

Introducing our new book, Tidy Modeling with R | Julia Silge

Thank you so much for the answer. I updated all packages as you recommend. Unfortunately Xgboost did not work inside the workflow_map(), I got the same error that I mentioned....

Introducing our new book, Tidy Modeling with R | Julia Silge

Hello, I fixed the recipe for the workflow to xgboost in this way: step_dummy(all_nominal(), -class, one_hot = TRUE) and after bind_rows() for all workflows, it works. The xgboost does not...