Introduction to functions

As discussed in the introduction to this chapter, it may be helpful to enhance your understanding of table calculations with the following two questions: What is the function? And, How is the function applied? We will begin by grouping each table-calculation function to be directional or non-directional.

Directional and non-directional

Tableau offers a wide range of table calculations, but if we narrow our consideration to unique groups of table-calculations functions, we will discover that there are only 11.

The following table shows those 11 functions organized into two categories:

Directional Table-calculation Functions	Non-Directional Table-calculation Functions
LOOKUP	SCRIPT_STR ...