Experiment Panel

When you create an experiment from a collection, the inspector has a new panel called the Experiment panel that gives you control over the process. The default setting is to collect by time, 1 case per second for 10 seconds. Time is always measured and an attribute time is always present in an experiment collection.

Collect By Keypress button

When selected, the experiment will collect one case each time a key is pressed. The value of the key pressed is automatically collected.

Collect By Time button

When selected, the experiment will collect one case every tenth of a second for 10 seconds by default. You can change this by using the rate and amount fields.

Frequency field

Edit this field to change the number of cases the experiment will collect for each time unit. Use the pop-up menu to change the granularity of the time unit from seconds to hours.

Duration field

Edit this field to change the duration for which the experiment will collect. You can specify the duration either as total number of cases collected or total amount of time the experiment lasts.

Trigger checkbox and condition

Check this box to show the formula editor, ready for you to type a conditional expression that evaluates to true/false. The experiment will not start collecting values until this condition evaluates to true. This checking begins after you turn the experiment on (see Turn Experiment On).

Replace existing cases checkbox

Check this box to clear all cases from the experiment the next time you run the experiment. Uncheck to keep old cases.

Turn Experiment On button

Click this button to start collecting cases as soon as the other criteria are met. You can set up the other collection parameters even when sensors are not present and click this button when you plug in the sensor.