Week 2 of the course started with a video on dirty data and the method of ensuring that data can be used: data cleaning. Before the video even went into details I knew that this type of thing would be the long and boring part of data analysis. It’s the same with anything really, you […] Read the full article Data Analysis Course Week 2 (Part 1)
The removal of invalid values from dirty data sets. This can be a manual process or a variety of automated processes depending on the type of invalid data.