General Functions in Python
Pandas: How to Rename Only the Last Column in DataFrame
You can use the following basic syntax to rename only the last column in a pandas DataFrame:
df.columns = , 'new_name']
This particular example renames the...
Input/Output in Python
Pandas: How to Specify dtypes when Importing CSV File
You can use the following basic syntax to specify the dtype of each column in a DataFrame when importing a CSV file into pandas:
df...
Input/Output in Python
Pandas: How to Read Excel File with Merged Cells
When you read an Excel file with merged cells into a pandas DataFrame, the merged cells will automatically be filled with NaN values.
The easiest...
Input/Output in Python
How to Read CSV File from String into Pandas DataFrame
You can use the following basic syntax to read a CSV file from a string into a pandas DataFrame:
import pandas as pd
import io ...
Input/Output in Python
Pandas: Skip Specific Columns when Importing Excel File
You can use the following basic syntax to skip specific columns when importing an Excel file into a pandas DataFrame:
#define columns to skip
skip_cols =...
Input/Output in Python
Pandas: Set Column Names when Importing CSV File
You can use the following basic syntax to set the column names of a DataFrame when importing a CSV file into pandas:
colnames =
df...
Input/Output in Python
Pandas: How to Read Specific Columns from Excel File
You can use the following methods to read specific columns from an Excel file into a pandas DataFrame:
Method 1: Read Specific Columns
df = pd.read_excel('my_data.xlsx',...
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