I have a Pandas dataframe like this: I like to remove any ‘[e]’ under ‘Country’ column of the DF, to have this: When I use: I get the ‘[e]’ is removed including the last ‘e’ of country’s name (e.g. Singapore, Greece, France). Answer .str.replace(): Prints:
Tag: pandas
How can I scale a pandas dataframe based on row/column scaling factors defined in another dataframe?
So, I have extracted 2 dataframes as shown below: DF1: DF2: And I wish to apply a factor onto different parts of column pricedata 1 and pricedata2 for DF1 based on the conditional matching in another dataframe. For instance, for row 0 in DF1, I hope to apply a factor onto pricedata1 value 100.5 by multiplying…
replace client’s id with their respective name in shipment dictionary using a loop and dictionary comprehension
d1={101:{‘Sender’:1,’Receiver’:3,’Start date’:’14-03-2020′,’Delivery date’:’25-03-2020′,’Sender location’:’Area 1′,’Receiver location’:’Area 6′,’Delivery status’:’Delivered…
Collapse multiindex after pivot() in pandas pipe
Comming from R/dplyr, I’m used to the piping concept to chain transformation steps during data analysis and have taken this to pandas in a sometimes similar, sometimes better but also sometimes worse fashion (see this article for reference). This is an example of a worse situation. I’m conducting …
how to clip pandas for a multiple column in a data frame
Here is the df: each column in the dataframe has a lower and an upper limit as mentioned in the below list eg: But this returns every element as nan whereas the expected result is to clip each column based on the upper limit and lower limit mentioned in the list… Using for loop, I was able to make the
Creating a nested dictionary from a pandas dataframe
I have a dataframe which demonstrates a hierarchy of meters. A meter has an ID, and can have any number of children, this children can also have children, which can also have children, ad infinitum. The dataframe has a meter per row, and the level of the child is shown by column. As shown below: The aim is to…
How to find the regression line for multiple independent variables?
I’m trying to understand how the Multiple Line Regression works in code for machine learning. The issue I’m having is that I don’t get how to set up my regression line properly or if my coefficients are correct. So I guess I can divide my thoughts into three questions. Is my method of findin…
Pandas Data data frame filtering after using pivot function
Can someone please help me with my current error or suggest another way of doing this ? Thanks a lot in advance I have bellow data frame given bellow :- I want to filter the data frame such that it returns me all the rows and the GroupName where one or more of the columns (Type1 /Type2/Type3) has +ve and
Find value from string using the characters from list Using Python
I have been working on an Excel sheet using python, where i have to extract only the specific value from the column, using an list with set of charaters. Need to check every character from the column check with the list, If it matches need to return the matched value into the dataframe which can be used for f…
How to filter out pandas dataframe rows based on contains condition?
I have below dataframe I have input array, by which i wanted to check df and filter out corresponding data. Output i want Can anyone guide me how can i achieve this ? Answer You can try this –