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Pandas
pandas Examples of data cleaning
import pandas as pdimport numpy as np# ============ delete / fill Null value ============# in many instances , If you use Pandas To read a lot...
2019-04-26 12:03
views 42
pandas Remove the records of several columns of the same data and save them
1 Now there is a need , In a record of wechat chat records csv In the file , Remove the record of the same message sent by the same person on th...
2019-04-08 17:41
views 20
How to use faster and more efficiently pandas Read multiple sheet Of excel file ?
We know pandas Reading of excel The normal way to file is pd.read_excel(file, sheetname), I think a lot of people read in this normal way . actual...
2019-04-03 17:05
views 37
pandas Reading and writing xls,xlsx
import pandas as pd import pandas as pdwdfw=pdw.DataFrame({" time ":[" time "]," place ":[" place "],"...
2019-02-07 22:37
views 42
pandas: DataFrame Delete duplicate rows
1. Build a DataFrame C=pd.DataFrame({a:[dog]*3+[fish]*3+[dog],b:[10,10,12,12,14,14,10]}) 2. Judge whether there are duplicate items duplicated( ...
2019-01-15 20:34
views 49
Pandas- De duplication function drop_duplicates()
One ,drop_duplicates Function usage pandas Medium drop_duplicates() Function can be passed through SQL Keywords in distinct To understand , The da...
2018-10-28 00:34
views 43
python utilize pandas For the excel Merge , cutting
The code is as follows import osimport pandas as pddf = pd.DataFrame(columns=[ Serial number , Event name , Name of our account , Account name of ...
2018-09-27 18:37
views 54
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