Category "xgboost"

Invalid classes inferred from unique values of `y`. Expected: [0 1 2 3 4 5], got [1 2 3 4 5 6]

I've trained dataset using XGB Classifier, but I got this error in local. It worked on Colab and also my friends don't have any problem with same code. I don't

Xgboost single tree split history plot

See CART performance per node plot I used other CART package which produces the plot of performance per each added node. It's like x-axis for the number of node

suggest_int() missing 1 required positional argument: 'high' error on Optuna

I have the following code of Optuna to do the hyperparameter tunning for a Xgboost classifier. import optuna from optuna import Trial, visualization from optun

Why does training Xgboost model with pseudo-Huber loss return a constant test metric?

I am trying to fit an xgboost model using the native pseudo-Huber loss reg:pseudohubererror. However, it doesn't seem to be working since nor the training nor t

How to slice a XGBClassifier/XGBRegressor model into sub-models?

This document shows that a XGBoost API trained model can be sliced by following code: from sklearn.datasets import make_classification import xgboost as xgb bo

How to slice a XGBClassifier/XGBRegressor model into sub-models?

This document shows that a XGBoost API trained model can be sliced by following code: from sklearn.datasets import make_classification import xgboost as xgb bo

latest aws xgb image does not support reg:

The following code snippet is inspired by this. hyperparameters = { "max_depth":"5", "eta":"0.2", "gamma":"4", "min_child_weight

Deploying ML model on Streamlit

I have a code that basically takes in a csv, which can be uploaded from streamlit and then pushes out a classification prediction. Just as a context I use xgboo

Problem with `mutate()` input `index_date` when performing time series xgboost in R

here my reproducible example mydat=structure(list(supplier = c("TKP", "TKP", "TKP", "TKP", "TKP", "TKP", "TKP", "TKP", "TKP", "TKP", "TKP", "TKP", "TKP",

Python 3.7: xgboost.core.XGBoostError

I am new to Python and Iam getting this error when running xgBoost: xgboost.core.XGBoostError: [15:49:05] C:/Users/Administrator/workspace/xgboost-win64_release

XGBoost regression predictions are shifted along the y axis

XGboost regression output is scaled on the Y axis as shown in the image below. Ytest vs Ypred I have provided the code below which got me these results. Tried s

Custom objective function for XGBoost including an external data column

I am using XGBoost in order to do a sales forecasting. I need a custom objective function, as the value of the prediction depends on the sales price of an item.

fastshap: Error in UseMethod("explain") : no applicable method for 'explain' applied to an object of class "xgb.Booster"

After fitting a xgboost model (model_n) I try to run the code below to obtain shap-values, where trainval is a dataframe with my traindata without the Y variabe

XGBoost Model performance

I am trying to use XGBoost for classification. I am pretty doubtful on its accuracy. I have applied it with default parameters and the precision is 100%. xg_c

How to deal with overfitting of xgboost classifier?

I use xgboost to do a multi-class classification of spectrogram images(data link: automotive target classification). The class number is 5, training data includ

XGBoost object 'trainD' not found

I was running this code on RStudio param <- list(colsample_bytree = 1, subsample = .6, booster = "gbtree", max_dept

using H2O flow XGboost model

It gives a regression prediction as continuous score with negative values, like -1.27544 < x < 6.68112. How I interpret the negatives?

XGBoost giving a static prediction of "0.5" randomly

I am using a scikit-learn pipeline with XGBRegressor. Pipeline is working good without any error. When I am prediction with this pipeline, I am predicting the

module 'xgboost' has no attribute 'DMatrix'

I pulled some ML code that ran on kaggle (linux) and tried to run it in a jupyter notebook on a windows machine. Here is the code (some of it): ##### RUN XGBOO

ValueError: multiclass format is not supported , xgboost

My first multiclass classication. I have values X and Y. Y have 5 values [0,1,2,3,4]. But i get this "multiclass format is not supported". Understand that i nee