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Histogram plot is one of the charts available in the Charts Panel. It presents the data for one object set as a binned distribution.

To display the Histogram plot, open the Charts Panel and select the Histogram option  from the Charts selection dropdown menu.

For more detailed information about histograms in general, please refer to the Wikipedia entry for Histogram.

Appearance

Data for the selected measurement is binned and counts are displayed in as bars. the The number of counts is displayed within the bars. When hovering above a bar, the bin's minimum, maximum and mean of this bar are displayed. 

General usage

Select measurements

Like other charts, to change the measurement plotted, hover over the measurement name on the x-axis until it turns red and then click to bring up a menu of the available measurements.

Select objects

Clicking on any bar on the Histogram will select these objects on the image and in the spreadsheet. To select multiple bars on the Histogram, hold down the Shift or Ctrl key while clicking on the bars to select. A selected bar is shown in red, and if the measurement changes, the selected objects remain selected and their relative positions on the Histogram are still shown in red.

You can also select a range of bars by holding down on the left mouse button while dragging the cursor. This allows you to draw a box around multiple columns on the histogram. Release the mouse button to select.

Change bin size

To in-/decrease the bin size, use mouse wheel while hovering above the histogram.,

Panning

To pan across the horizontal axis, right-click on the chart and drag.

Context menu options

You can bring up the context menu by right-clicking anywhere in the Charts Panel. The context menu is specific to the Histogram plot and can be used to adjust chart display options.