Let's take a look at another example, which will allow us to consider various options for trend lines. Using the Real Estate Listings data source, create a view similar to this one:
Here we've created a scatterplot with the sum of Size (Sq Ft) on Columns to define the X-axis and the sum of Price on Rows to define the Y axis. Address has been added to the Detail of the Marks card to define the level of aggregation. So each mark on the scatterplot is a distinct address at a location defined by the size and price. Type of Sale has been placed on Color. Trend lines have been shown. Based on Tableau's default settings there ...
