Pandas split column into multiple columns by comma
I am trying to split a column into multiple columns based on comma/space separation.
I am trying to split a column into multiple columns based on comma/space separation.
I have a Flask view that generates data and saves it as a CSV file with Pandas, then displays the data. A second view serves the generated file. I want to remove the file after it is downloaded. My current code raises a permission error, maybe because after_request deletes the file before it is served with send_from_directory. How can I delete a file after serving it?
I’m trying to write a program that looks at a .CSV file (input.csv) and rewrites only the rows that begin with a certain element (corrected.csv), as listed in a text file (output.txt).
Here’s my code, really simple stuff…
Guys, I here have 200 separate csv files named from SH (1) to SH (200). I want to merge them into a single csv file. How can I do it?
I am trying to take input from a CSV file and then push it into a dictionary format (I am using Python 3.x).
I have a large csv file, about 600mb with 11 million rows and I want to create statistical data like pivots, histograms, graphs etc. Obviously trying to just to read it normally:
So I’ve got two CSV files that I’m trying to compare and get the results of the similar items.
The first file, hosts.csv is shown below:
I try to read the file into pandas.
The file has values separated by space, but with different number of spaces
I tried:
When I’m moving through a file with a csv.reader, how do I return to the top of the file. If I were doing it with a normal file I could just do something like “file.seek(0)”. Is there anything like that for the csv module?