Given, df: Input Dataframe: My expected output dataframe is df[[‘Col1’, ‘Income’, ‘Age’, ‘Street’, ‘Zip’]] where Income, Age, Street, and Zip come from within Person: Answer Using list comprehension, we can create most of these columns. Output: Howev…
Tag: pandas
Python ignore already replaced string / replace string not already replaced
Is there a way to identify an already converted/replaced string and not allow it to replace again? This give result as My {first_{family_name}} is not my {family_name} I want result like: My {first_name} is not my {family_name}. Answer You can’t ignore it. Python is searching for ‘name’, and…
Numpy rounding issue
Can someone explain to me why is numpy round acting strange with this exact number rounding: It’s obvious that the first number is not rounded well, any ideas? EDIT: Since I’m focused here on the precision, not so much on the performance, I’ve used python round function to solve this problem…
How do I extract tables from word via table titles?
I’m facing the problem of trying to extract data from word files in the form of tables. I have to iterate through 500 word files and extract a specific table in each file, but the table appears at a different point in each word file. This is the code I have: Which goes through all the files fine, but ge…
Remove specific rows that contain dates Python
I have a dataset that has datetime values in it. I would like to remove all rows within a specific column that contain a certain year. All rows that contain 2027 should be removed. Data Desired Doing Any suggestion is appreciated. Error: AttributeError: Can only use .str accessor with string values! I believe…
Pandas won’t create CSV file?
just trying to save websockets to CSV’s. But it just doesnt make the file. Nothing in the directory. Tried running VScvode as admin, moving folder out of C: drive to documents .. nothing. no csv file, and no error. and no information on the internet about this either. So i kept stripping down the code t…
how to sum values in column based on names reported in another column and report which name does not match the expected target? [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 7 months ago. Improve this question how …
print strings of one dataframe contained in another dataframe
I have two dataframes: one dataframe consists of two columns (‘good’ and bad’) and another one that contains text data. Now I would like to retrieve exact string matches of words that are in the dictionary and are contained in col1 of df_text and assign the string match to the second column …
Changing a cell value in a columns based on a query from two other columns
I have a DataFrame with four columns: “date”, “time_gap”, “count” and “average_speed”. I’d like to set values to the count column when requirements are met based on the “date” and “time_gap” columns. So, for example, if I’m ru…
Downsampling time series data in pandas
I have timeseries data that looks like this: I would like to downsample my data from 15-minute frequencies to 1-hour frequencies. So, the first 4 rows above would be summed under 00:00 timestamp, then next 4 rows would be combined under 01:00. Is there an efficient way to make this happen? Answer Look at pand…