abilities as links
(like trees and double trees generated by <code><a href="plot_prism.html">plot_prism</a></code>),
but combines elements from 2x2 tables (see <code><a href="plot_tab.html">plot_tab</a></code>)
and tree diagrams.</p>
<p>Similar to other 2D-visualizations (e.g., ,
<code><a href="plot_area.html">plot_area</a></code>, <code><a href="plot_prism.html">plot_prism</a></code> and
<code><a href="plot_tab.html">plot_tab</a></code>), the
frequency net selects and combines two perspectives
(e.g., <code