I need to join the below dataframe based on some condition. df_output I need to join two dataframe df1, df2 based on Id column but every element should be in df.Id list that’s when we consider it a match. Answer While this isn’t a highly efficient solution, you can use some sets to solve this prob…
Tag: pandas
Y finance Date alignment
This might be a relatively difficult question; The scope of the code I want to write, is to automate the alignment of Dates that i pull from yfinance regarding BTC and S&P 500 since the S&P500 (SPY) is not traded on weekends, but BTC is, I want to automatically delete the columns of dates from BTC tha…
pandas rename multiple columns using regex pattern
I have a dataframe like as shown below I would like to remove the keyword US – from all my column names I tried the below but there should be better way to do this But my real data has 70 plus columns and this is not efficient. Any regex approach to rename columns based on regex to exclude the
Normalization and flattening of JSON column in a mixed type dataframe
There dataframe below has columns with mixed types. Column of interest for expansion is “Info”. Each row value in this column is a JSON object. I would like to have the headers expanded i.e. have “Info.id”,”info.x_y_cord”,”info.neutral” etc as individual columns…
Sum multiple rows of dictionaries in a dataframe, based on condition
How can I add the values and keys of multiple dictionaries based on having the same isolate name? Example dataframe: Isolate dictionary VM20030364 {‘L’: 200, ‘V’: 500, ‘T’: 300, ‘A’: 400, ‘S’: 1} VM20030364 {‘L’: 200, ‘V’: 600…
Changing column various string formats in pandas
I have been working on a dataframe where one of the column (flight_time) contains flight duration, all of the strings are in 3 different formats for example: “07 h 05 m” “13h 55m” “2h 23m” I would like to change them all to HH:MM format and finally change the data type from…
Pandasql Exception with OVER
I tried to use this line of code : NB : delete ‘locals()’ or replace by ‘globals()’ don’t solve the problem. But I have this error : http://sqlalche.me/e/14/e3q8 (Same error with Average) I load my dataframe like this : My file is in the same directory as my Jupiter notebook file…
How do I animate this graph to just display the next row
enter image description here So I tried this, I’m working in a jupyter notebook and am wondering how to animate the next row of data. Answer For what I can see in the documentation you have to set the plot data inside the animate function. You must also have an instance to your plot and use that same in…
Label a column based on the value of another column (same row) in pandas dataframe
I have a list of sub-categories that correspond to a particular category, think of it like this: Category Sub Category a | 1 a | 2 a | 3 b | 4 b | 5 etc… I was wondering the best way to apply the Category value to each row of the dataframe (~800,000 rows) based on the Sub Category
Find the row offset for the maximum value over the next N rows in Pandas?
I have some data in a Pandas DataFrame: and I am trying to get the offset for the maximum of the next N rows. For example, when ****, the output would look like I can get the value of the maximum over the next N rows using: However, is it possible to get the row offset position for the maximum