1>保存为二进制文件,pkl格式
import pickle pickle.dump(data,open(‘file_path’,’wb’)) #后缀.pkl可加可不加 若文件过大 pickle.dump(data,open(‘file_path’, ‘wb’),protocol=4) 读取该文件: data= pickle.load(open(‘file_path’,’rb’))
2>保存为二进制文件,npz格式 import numpy as np np.savez(‘file_path/file_name.npz’, data1=X,data2=y) 读取该文件: with np.load(‘file_path/file_name.npz’) as data:
X = data['data1']
y= data['data2']
3>DataFrame文件保存为.csv
dataframe_file.to_csv(“file_path/file_name.csv”, index=False) 读取该文件: import pandas as pd df = pd.read_csv(‘file_path/file_name.csv’)
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