ys1305的博客

导包读数据 import pandas as pd import numpy as np import lightgbm as lgb import warnings from tqdm import tqdm # %matplotlib inline from sklearn.preprocessing import LabelEncoder from scipy import sparse f...

device = torch.device("cuda" if torch.cuda.is_available() else "cpu") 链接kaggle !pip install -U -q kaggle !mkdir -p ~/.kaggle !echo '{"username":"*****","key":"*****"}' > ~/.kaggle/kaggle.json # {"...

用最大时间减去最小时间 然后除以次数 报错： TypeError: ufunc true_divide cannot use operands with types dtype(‘O’) and dtype(’<m8[ns]’) 同样的程序在处理训练集和测试集出现的结果是不同的 时间类型均为 orderTime_x datetime64[ns] orderTime_y date...