You can refer to the following links for more information on the topics of this chapter:
- A nice walk-through of filtering and grouping using DataFrames:https://github.com/bhavaniravi/pandas_tutorial/blob/master/Pandas_Basics_To_Beyond.ipynb
- Comparison of SQL features and their equivalent pandas functions: https://pandas.pydata.org/pandas-docs/stable/getting_started/comparison/comparison_with_sql.html
- Additional information on exporting data to Excel: https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.to_excel.html#pandas.DataFrame.to_excel
- Examples of SQL date and time functions: https://www.postgresql.org/docs/8.1/functions-datetime.html