A scatter chart is useful for emphasizing scientific or statistical similarities rather than differences in your analysis. Scatter charts illustrate the relationship between pairs of numerical or quantitative values, which are combined into individual data points along the horizontal (y axis) and a vertical (x axis) axis. Data points are plotted in uneven intervals.
A scatter chart represents non-aggregated sources, that is, it retrieves data from the underlying Table/Reports section and does not reflect rolled up values (all other chart types retrieve their data from an aggregated source, and there is a one-to one correspondence between Charts and Pivots). For this reason, the Pivot This Chart feature is not available for a scatter chart.
Scatter charts can only contain a pair of fact or numeric values which are placed in the Y Axis and X Axis in the data layout. If you add only one fact item to the data layout, no scatter chart is rendered. In addition, label values cannot be added to the Y Axis or X Axis of the data layout.
The following feature limitations apply to scatter charts:
Data functions are not available to scatter charts because this type of chart relies on non-aggregated data.
The sort feature cannot be used for scatter chart items.
The Pivot To Chart feature is not available.
Drilling cannot be performed on a scatter chart.
The focus feature cannot be used on scatter chart items.
The Hide feature hides the whole data series in a scatter chart, and an individual item cannot be hidden.