How to show all columns' names on a large pandas dataframe?
Aug 12, 2019 · The accepted answer caused my column names to wrap around. To show all the column names without wrapping, set both display.max_columns and the display.width: pandas.set_option('display.max_columns', None) pandas.set_option('display.width', 1000)
Get a list from Pandas DataFrame column headers
Even though the solution that was provided previously is nice, I would also expect something like frame.column_names() to be a function in Pandas, but since it is not, maybe it would be nice to use the following syntax. It somehow preserves the feeling that you are using pandas in a proper way by calling the "tolist" function: frame.columns ...
python - Renaming column names in Pandas - Stack Overflow
First create a dictionary from the dataframe column names using regular expressions in order to throw away certain appendixes of column names and then add specific replacements to the dictionary to name core columns as expected later in the receiving database. This is then applied to the dataframe in one go.
Pandas: Looking up the list of sheets in an excel file
You can still use the ExcelFile class (and the sheet_names attribute): xl = pd.ExcelFile('foo.xls') xl.sheet_names # see all sheet names xl.parse(sheet_name) # read a specific sheet to DataFrame see docs for parse for more options...
How to get/set a pandas index column title or name?
To just get the index column names df.index.names will work for both a single Index or MultiIndex as of the most recent version of pandas. As someone who found this while trying to find the best way to get a list of index names + column names, I would have found this answer useful:
Pandas create empty DataFrame with only column names
Jun 13, 2017 · And therefore I need a solution to create an empty DataFrame with only the column names. For now I have something like this: df = pd.DataFrame(columns=COLUMN_NAMES) # Note that there is no row data inserted. PS: It is important that the column names would still appear in a DataFrame. But when I use it like this I …
python - How can I specify column names while reading an Excel …
Note: Pandas now (v0.22) has a keyword to specify column names at parsing Excel files. Use: import pandas as pd xl = pd.ExcelFile("Path + filename") df = xl.parse("Sheet 1", header=None, names=['A', 'B', 'C']) If header=None is not set, pd seems to consider the first row as the header and delete it during parsing. If there is indeed a header ...
Give column name when read csv file pandas - Stack Overflow
Feb 12, 2020 · If you want to add column names using pandas, you have to do something like this. But below code will not show separate header for your columns. col_names=['TIME', 'X', 'Y', 'Z'] user1 = pd.read_csv('dataset/1.csv', names=col_names) To solve above problem we have to add extra filled which is supported by pandas, It is header=None
ModuleNotFoundError: No module named 'pandas' - Stack Overflow
Jun 20, 2017 · To make sure that you're using the same pip as your python, execute the pip with whole path from python directory i.e.
Change column names in Pandas Dataframe from a list
Aug 2, 2017 · The accepted rename answer is fine, but it's mainly for mapping old→new names. If we just want to wipe out the column names with a new list, there's no need to create an intermediate mapping dictionary. Just use set_axis directly.