Programming and DevOps Essentials
Programming and DevOps Essentials
Categories / python
To calculate the sum of sales for each salesman in a month before their training date, we need to group by "salesman" and "transaction_month", then apply the aggregation function `sum` to the 'sales' column.
2024-12-24    
Working with DataFrames in Python: A Better Way to Iterate Over Rows Than Using iterrows
2024-12-23    
Loading DeepSeek-V3 Model from a Local Repository Using Hugging Face Transformers Library
2024-12-21    
Matching codes and merging dataframes with duplicates: A pandas solution using .map()
2024-12-21    
Parsing Strings with Pandas: A Modular Approach to Complex Patterns
2024-12-21    
Discretizing Continuous Variables with Pandas: A Comprehensive Guide to Accurate Discretization Results
2024-12-20    
Creating Categorical Variables in Regression Analysis using pandas and statsmodels: A Practical Guide to Handling Discrete Independent Variables with Multiple Categories
2024-12-20    
Automatically Parsing Lines of Dataframe Extracted from JSON with Python and Pandas.
2024-12-20    
Dealing with Missing Formulas in Excel Data with Python: A Step-by-Step Solution Using openpyxl
2024-12-18    
Efficient Data Import: Reading Parquet Files in Chunks and Inserting into DuckDB
2024-12-17    
Programming and DevOps Essentials
Hugo Theme Diary by Rise
Ported from Makito's Journal.

© 2025 Programming and DevOps Essentials
keyboard_arrow_up dark_mode chevron_left
23
-

110
chevron_right
chevron_left
23/110
chevron_right
Hugo Theme Diary by Rise
Ported from Makito's Journal.

© 2025 Programming and DevOps Essentials