Category "xgboost"

multivariate xgboost time series

I implemented a univariate xgboost time series using the following code, def series_to_supervised(data, n_in=1, n_out=1, dropnan=True): n_vars = 1 if type(d

XGBoost best max_depth=1

I use xgboost to train a classification model. GridCVSearch gives the best max_depth=1. This means all my hundreds of trees are split at a single node. Does t

_pickle.UnpicklingError: NEWOBJ class argument isn't a type object

I ran this code on cmd and I face this error. _pickle.UnpicklingError: NEWOBJ class argument isn't a type object my app.py goes like this: # -*- coding: utf-8 -

subsample, colsample_bytree, colsample_bylevel in XGBClassifier() Python 3.x

I've spent a good deal of time trying to find out what these "subsample", "colsample_by_tree", and "colsample_bylevel" actually did in XGBClassifier() but I can

Xgboost tweedie: Why is the formula to get the prediction from the link = exp(link)/ 2?

When I run a Tweedie GLM, one can get the prediction from the link by doing exp(link). To get the prediction for a Tweedie GLM, I get the prediction from the li