Scatter Plots with Trend Lines
In this section, rather than focusing on the math that trend lines are dependent on, you will look at them from an analyst/data developer perspective, and will see some common use cases in business.
Trend lines are used to observe relationships between variables. For example, they could be used to see the relationship between force and acceleration, or to track the relationship between sales and profits over a given time period. They are statistical models that are useful in estimating future patterns or trends based on historical data points.
Adding trend lines in Tableau is fairly simple. In this section, you will explore the variations of trend lines available. Figure 5.27 shows the five types of a trend line in Tableau. You will get a thorough definition of each as well as their most common applications a little later in this section.
In the next exercise, you will explore...