This is the chapter I wrote this book for. These are the tools I use the most in my day-to-day work with Tableau Data Prep. In this chapter we will make our first real changes to our data, cleaning up field names and data types, as well as making the contents of some fields more consistent and easier for our analysts to use. We will consolidate some fields, clean “garbage” from some fields, and in general make dirty data usable.
If you are reading this and you find yourself thinking “well … MY data isn’t dirty,” I have some sad ...
