Anna Veronika Dorogush

`pip install catboost` should work The difference in resulting metrics between xgboost, catboost and lightgbm will depend on the dataset, there is no single winner for datasets with only numeric...

It would be great if you would do it when you have time. I don't plan for pr-s, sorry...

Could you please provide a minimal reproducing example? Which is the full code that you are running and a sample of data?

The error occurs in the start of the training when internal representation of the dataset is built. This check happens only in GPU training.

This is a check that ensures that everything has worked correctly during building internal dataset representation. I don't know what were the conditions when it has failed, that's why I'm...

Is it possible to share the big data? You could put it out to some cloud and send us the link in the email, if you don't wish to write...

Thanks for the example, we'll look into this!

We only support text features in classification modes now. We will add support for regression at some point, but it will most probably not be soon.

It would be great to make a CRAN release, but we need help with that.

https://tech.yandex.com/catboost/doc/dg/concepts/installation-docpage/ - here is the instruction, how to install the package. We either provide the binaries or it is also possible to build from source, but we had many problems...