| best.r | Best-r index for foraging organization | 
| meanITD | Mean Intertarget Distance (ITD) from x and y coordinates for target positions. | 
| number.intersections | Counter for the number of intersections of non-consecutive trajectories between targets among a scanpath in a foraging task. | 
| PAO | Percentage Above Optimal (PAO) path as a measure of organization in a foraging task. | 
| Q.score | Q score for foraging efficiency. |