June 2025
Intermediate to advanced
697 pages
15h 21m
English
During the data-cleaning process, you might have to deal with missing values, which arise from various reasons, including the data-collection process, human mistakes, and technical issues. For example, if you create a form for job applicants where they can enter their date of birth in various formats (e.g., year, year-month, year/month/day), you might encounter missing values during analysis because some parts of the information are not provided. In another scenario, if you store your data ...
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