标签:src 技术 port img out code number 图片 chm
如何将下图中的浏览量(PV)、访客数(UV)、IP数这几列中的带有千位分隔符","的字符串类型转换成浮点数类型

示例代码如下:
import pandas as pdtest = pd.DataFrame({‘A‘: [‘1,232.1‘, ‘22,332.3‘, ‘3,232‘, ‘1,111,111‘]})print(type(test.loc[0,‘A‘]))test1 = pd.DataFrame({}).append(test) test1[‘A‘] = test1[‘A‘].apply(lambda x: "".join(x.split(‘,‘))).astype(‘float‘)print(type(test1.loc[0,‘A‘]))
实际代码如下:
df[‘浏览量(PV)‘] = df.loc[:, ‘浏览量(PV)‘].apply(lambda x: float(x.replace(",", "")))
或者:
df[‘浏览量(PV)‘] = df.loc[:, ‘浏览量(PV)‘].apply(lambda x: float(x.replace(",", "")) if "," in x else float(x))
import pandas as pdtest = pd.DataFrame({‘A‘: [‘1,232.1‘, ‘22,332.3‘, ‘3,232‘, ‘1,111,111‘]})print(type(test.loc[0,‘A‘]))test1 = pd.DataFrame({}).append(test) test1[‘A‘] = test1[‘A‘].apply(lambda x: "".join(x.split(‘,‘))).astype(‘float‘)print(type(test1.loc[0,‘A‘]))pandas dataframe 如何把带有千位分隔符的字符串转化为浮点数
标签:src 技术 port img out code number 图片 chm
原文地址:https://www.cnblogs.com/meicq/p/11038260.html