Annotations Spreadsheet

A very basic view of the annotations in the independent tiers can be obtained by clicking on View > Annotations Spreadsheet. This option simply lists all annotations of all independent tiers ordered by time.

Annotations Statistics

ELAN offers a possibility to compute some statistics of the tiers. Click on View > Annotations Statistics and select a tier in the dialog window:

Figure 2.134. Annotations Statistics

Annotations Statistics

If you wish the Annotations tab to show the statistics of a dependent tier, uncheck Show only root tiers and select it. Uncheck the next option if you want ELAN to count all contiguous annotations with the same value as 1.

The observation period is the interval between the beginning of the first annotation of all tiers and the end of the last annotation of all tiers. If you want ELAN to use the total media duration, just check Use media duration as observation period.

The Annotations tab shows the following information:

The Annotations II tab shows:

In the Annotations II tab, contiguous annotations with the same value are not counted as 1. The observation period is the same as the media duration.

The Tiers tab shows:

Figure 2.135. Tiers statistics

Tiers statistics
The observation period on the Tier tab is the interval between the begin and the end of the media.

The statistics on the tabs Tier Type, Participant, Annotator, Language are similar to the statistics on the Tiers tab except that they apply to tier type, participant, annotator and content language respectively.

The information in the columns displayed on every tab can be sorted in different ways. By clicking the header of the preferred column, the information below gets sorted. This is done in an ascending order first, and subsequently toggling between ascending and descending order. Saving the statistics will also output the selected sort order.

Figure 2.136. Sort order statistics

Sort order statistics

Annotation Density Plot

An annotation density plot visualizes the distribution of annotations (the segmentation) over the media duration or over a selected time interval. The textual annotation values are ignored.

Figure 2.137. An annotation density plot

An annotation density plot

There are a number of options to customize the visualization and the result can be saved as an image. Apart from the usual tier selection options the following settings are available:

After making changes click the Update button to see the new settings in effect. Click the Export button to show a Save As window and save the result as a PNG image.

Figure 2.138. The effect of unticking the Fill checkbox

The effect of unticking the Fill checkbox