When you have so many fields in your Tableau workbook that a scroll bar appears in your data window, you need to find a way to organize your fields.
Have you ever had an asterisk (*) returned in place of a value in Tableau? This unexpected behavior is the result of what’s called the Attribute function (ATTR). We’ll look into it more here.
You may have noticed that under “Compute Using” in the Table Calculation dialogue box there is a section called “Specific Dimensions” where you would normally select a scope and direction. You generally only need to use Specific Dimensions when you have 3 or more dimensions in the view.
When creating averages on a measure in Tableau, null values aren’t factored into that average...
One of the things I found most confusing when I first started using Tableau was trying to figure out what all the different files types do. It’s not exaggerating to say that I lost sleep over it. I want to provide you with a brief overview of the primary file types you’ll encounter and their primary uses.
If you’re ever refreshed an updated Excel file in Tableau and noticed that your data didn’t change, this write-up is for you. The main issue is that when you save your Tableau Workbook as a .twbx packaged workbook file, it will often package the Excel file in a temporary file structure so that it can be easily shipped along with the workbook when shared.
Not only is Tableau a great data analysis tool, it’s also really useful for data discovery. One of the helpful ways you can use Tableau is to uncover inconsistencies and holes in your data structure. I do this by finding out what data unexpectedly has null values.