The Statistics Gadget (the addtool_curve_stats X-Function) can be used to obtain basic statistics information on data covered by the rectangle of the Region Of Interest (ROI).
With this gadget you can:
To use this tool, select Gadgets: Statistics from the Origin menu when a graph is active.
To toggle the display of all gadget ROI boxes in a graph at the same time, click the H button in the top right corner of the graph, which enables users to export the graph with gadget results.
This tool is designed to perform descriptive statistics on a curve in the graph window. For more information about calculation, please refer to the algorithm of X-Function stats.