Shows impressions served and how many unique users have seen those impressions.
The size of each data point provides a visual cue about the average number of times a viewer was exposed to an ad. The size and data vary according to the dimensions, date ranges, and filters you select.
A table associated with a Scatterplot chart requires at least two columns. The first column defines the X axis, and the second column defines the Y axis. If there is a third column available, the Scatterplot chart uses it to determine the radius of the dot. In other words, columns 1 , 2 , and 3 map to X , Y , and dot radius .