内置方式建模
1.要把数据读取成Dataset格式
2.lgb.train去训练
# coding: utf-8
import json
import lightgbm as lgb
import pandas as pd
from sklearn.metrics import mean_squared_error
# 加载数据集合
print('加载数据...')
df_train = pd.read_csv('./data/regression.train.txt', header=None, sep='\\t')
df_test = pd.read_csv('./data/regressi
