Further reading

• McKinney, W., Data Structures for Statistical Computing in Python, Proceedings of the 9th Python in Science Conference, Vol. 445 (2010)
• Torres-Reyna, O., Panel Data Analysis Fixed and Random Effects using Stata (v. 4.2),Princeton.edu, (2007), available at https://www.princeton.edu/~otorres/Panel101.pdf [accessed 23 Dec. 2019]
• National Longitudinal Surveys (NLSes) for examples of panel data: https://www.bls.gov/nls/home.htm
• A definition of a pandas DataFrame:https://www.geeksforgeeks.org/python-pandas-dataframe
• Quick details about the QVD file format: https://help.qlik.com/en-US/sense/June2019/Subsystems/Hub/Content/Sense_Hub/Scripting/work-with-QVD-files.htm
• ASCII stands: https://www.ansi.org/about_ansi/overview/overview?menuid=1
• Unicode format and encoding standards: https://home.unicode.org/
• CSV rules and standards: https://tools.ietf.org/html/rfc4180
• The W3C organization...