xgbr.score(x_test, y_test) # Returns 0.917 y_pred = xgbr.predict(x_test) r2_score(y_pred, y_test) # Returns 0.903 What's going on? I couldn't find any documentation on XGBoost's score method. I'm using v0.7 python scikit-learn xgboost Share Follow edited Jan 31, 2018 at ...
XGBoost Documentation import xgboost as xgb from sklearn.metrics import r2_score # step1:读取数据 xgb.DMatrix() dtrain = xgb.DMatrix(Xtrain,Ytrain) dtest = xgb.DMatrix(Xtest,Ytest) # step2:设置参数 param = {} # params {eta, gamma, max_depth, min_child_weight, max_delta_step, subs...
In this Byte, learn how to fit an XGBoost regressor and assess and calculate the importance of each individual feature, based on several importance types, and plot the results using Pandas in Python.
在过去的几年中，XGBoost被广泛用于表格数据推断，并且赢得了数百个挑战。但是，仅仅通过XGBoost并不能...
11.8s 35 See the caveats in the documentation: https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#returning-a-view-versus-a-copy 11.8s 36 df_corr["day"] = df_corr["Unnamed: 0"].dt.day 11.8s 37 /tmp/ipykernel_18/2644816695.py:3: SettingWithCopyWarning: 11....
more_vert Python ·Regression with an Abalone Dataset NotebookInputOutputLogsComments (5) comment 5 Comments Bobby Mulligan Posted5 months ago · Posted on Version 4 of 12 Very helpful! I'm restarting in data science practice again; this was a great refresher!