Introduction Sorting data is fundamental technique and is a skill that anyone that frequently works with data needs to possess. I have sorted a lot of data through the years, for many different reasons. Sometimes the only way to get a job done when working with a wide variety of data sources that might include periodic data…
Introduction What the heck is a high-volume Tableau user? Any person that uses Tableau a lot, like using Tableau every day, is a candidate for being a high-volume user.
Introduction In the past couple of blog posts, I’ve been writing about how I get data ready for analysis in Tableau. One special data condition that arises is the data type that I’ll call an alpha-numeric field. This data type can be tricky to work with, so you have to pay attention to the details…
Introduction It does not happen often, but whenever I get a flat file (i.e., fixed-width ASCII file) to work with, I have to work some magic on the file to get it ready for Tableau. This post describes how some of that magic happens.
Introduction If you work with large, diverse data sets, you know that there will invariably be noise and erroneous data in the database you are using. This is one reason why I treat all data as guilty until proven innocent.