This table column plotting tool with interactive selection.
Right click on a numerical column and select Plot Histogram...
A plot will appear. Drag within the plot area to create an H shaped selection field. Drag either end or the middle to edit the field.
You can also get to this window from Tools >> Plot Histogram...
There is a two dimension scatter plot also available via Tools >> Plot Scatter....
Both the scatter and histogram filters will support you to Create Filter in the Select control panel. They both have a Copy Image button will save their state as a PNG image.