To increase a value, move the slider to the right, and then click

Apply

.

To decrease a value, move the slider to the left, and then click

Apply

.

In the Network layout, you can choose whether to show spheres of influence. When selected, the

Sphere of influence

option encloses each record in a circle. The size of the circle reflects the number of direct relationships held by each record. The more direct relationships, the larger the circle.