UnicodeDecodeError when reading CSV file in Pandas with Python
I’m running a program which is processing 30,000 similar files. A random number of them are stopping and producing this error…
csv
Python Pandas Error tokenizing data
I’m trying to use pandas to manipulate a .csv file but I get this error:
How to write to an Excel spreadsheet using Python?
I need to write some data from my program to an Excel spreadsheet. I’ve searched online and there seem to be many packages available (xlwt, XlsXcessive, openpyxl). Others suggest writing to a .csv file (never used CSV and don’t really understand what it is).
Writing a pandas DataFrame to CSV file
I have a dataframe in pandas which I would like to write to a CSV file.
How to add pandas data to an existing csv file?
I want to know if it is possible to use the pandas to_csv() function to add a dataframe to an existing csv file. The csv file has the same structure as the loaded data.
Read specific columns from a csv file with csv module?
I’m trying to parse through a csv file and extract the data from only specific columns.
How to ignore the first line of data when processing CSV data?
I am asking Python to print the minimum number from a column of CSV data, but the top row is the column number, and I don’t want Python to take the top row into account. How can I make sure Python ignores the first line?
CSV in Python adding an extra carriage return, on Windows
If newline=” is not specified, newlines embedded inside quoted fields
will not be interpreted correctly, and on platforms that use rn
linendings on write an extra r will be added. It should always be
safe to specify newline=”, since the csv module does its own
(universal) newline handling.
Reading a UTF8 CSV file with Python
I am trying to read a CSV file with accented characters with Python (only French and/or Spanish characters). Based on the Python 2.5 documentation for the csvreader (http://docs.python.org/library/csv.html), I came up with the following code to read the CSV file since the csvreader supports only ASCII.
Creating a dictionary from a csv file?
I am trying to create a dictionary from a csv file. The first column of the csv file contains unique keys and the second column contains values. Each row of the csv file represents a unique key, value pair within the dictionary. I tried to use the csv.DictReader and csv.DictWriter classes, but I could only figure out how to generate a new dictionary for each row. I want one dictionary. Here is the code I am trying to use: