qq_36201400的博客

loc函数：通过行索引 "Index" 中的具体值来取行数据（如取"Index"为"A"的行）iloc函数：通过行号来取行数据（如取第二行的数据）1. 利用loc、iloc提取行数据import numpy as npimport pandas as pd#创建一个Dataframedata=pd.DataFrame(np.arange(16).reshape(4,4),index=list('abcd'),columns=list('ABCD')) In[1]: dataOut[

常用操作：取行，取列，删除，保存import tensorflow as tfimport numpy as npimport matplotlib.pyplot as pltimport pandas as pdpic_path = './picture/IMG_20200823_181523.jpg'csv_path = './csv/VIS_R06_12.csv'def read_csv(): data = pd.read_csv(csv_path) #取指定