Real-world data cleanup with Python and Pandas

If a data set’s not in the right format, we can’t do anything with it. Data cleanup is the first part of data analysis, and usually it’s the most time-consuming. It can be tedious, but the more skilled you are at cleaning up data, the more you can get out of documents other journalists might not be able to work with at all. In the first section, we’ll look at the difference between data that looks right to humans and data that the machine understands.