Select two Y columns of values (or subranges from two Y columns). If there is an associated X column, X column supplies X values; otherwise, sampling interval of the Y column or row number is used.
Select required data.
From the menu, choose Plot > 2D : Scatter: Bubble.
Click the Bubble button on the 2D Graphs toolbar.
Bubble.OTP (installed to the Origin program folder).
For each row, the two Y column values determine the display of the data points. The first Y column provides the Y data point values. The second Y column controls the data point symbol size in units of points.
By default, a bubble scale will be added to the bubble graph upon creation and works as a legend.