Which tests for special causes can be performed with the boxChart action?

You can request tests for special causes using the 'primaryTests' parameter. The available tests are: Test 1 (one point beyond control limits), Test 2 (nine points in a row on one side of the center line), Test 3 (six points in a row steadily increasing or decreasing), Test 4 (fourteen points in a row alternating up and down), Test 5 (two of three points in Zone A or beyond), Test 6 (four of five points in Zone B or beyond), Test 7 (fifteen points in a row in Zone C), and Test 8 (eight points in a row with none in Zone C).