pandas is a software library written for the Python programming language for data manipulation and analysis. In particular, it offers data structures and operations for manipulating numerical tables and time series. It is free software released under the three-clause BSD license. The name is derived from the term "panel data", an econometrics term for data sets that include observations over multiple time periods for the same individuals. Its name is a play on the phrase "Python data analysis" itself. Wes McKinney started building what would become pandas at AQR Capital while he was a researcher there from 2007 to 2010.
Reference: WIKIPEDIA
271 questions
We are complementing the missing value of application_{train|test}.csv in the kaggle Home Credit Default Risk.I would like to fill the following two characteristics with the average value, but mean() ...
filename = File name.xlsxbook = openpyxl.load_workbook(filename)# sheet extractionsheet = book.worksheets[0]# Enter datadata = []data_value = datafor row in sheet.rows: data.append([ row[0].value, r...
For example, df1 and You have df2.How should I access the code to insert the contents of df2 into the blank of df1?I've used the merge or concat function, but I can't write it neatly, and it doesn't c...
I'm working on a diagram in the Pandas module, and the column name comes with $ in front of it.['$a', '$b', '$c', '$d', '$e', ...] -> ['a', 'b', 'c', 'd', 'e', ..].I want to remove all the $ before...
After reading Excel data for Dep, Name, Sales, and X Sales values as shown below,Add the ratio of X Sales by Sales (X Sales/Sales*100) as 'rate' coulmn, When pivot_table was applied based on Dep in th...
I want to paste the list value into a specific part of the multi index dataframe.The code below is the data frame that I am currently practicing. I want to put list1 and list2 in the specific column a...
We put the combined values from column 1 to column 200 of the data collected by Pandas into column 201 and created a code to save them as a csv file.(How to add column 1 values to column 201 and accum...
colum 1, colum2a,b,c 30b,c,f 40a,g,z 50...In this data frame, I would like to construct column4 by adding the value of column2 corresponding to a.column3, column4a 80b 70c 70f 40g 50z 50I wou...
import pandas as pdfec = pd.read_csv('D:/Moon Hyun Jae/P00000001-ALL.csv')This error appears when you do so.FileNotFoundError: File b'\xe2\x80\xaa\xe2\x80\xaa\xe2\x80\xaaD:/Moon Hyun Jae/P00000001-...
In the Seoul Metropolitan Government's public data, we wanted to analyze how the number of students per teacher changes in time series by district.http://data.seoul.go.kr/openinf/linkview.jsp?infId=OA...
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