# Nesting over External data

Aim

To pick out the track segments and the associated external data corresponding to a specific range of values in the external data signal.

example Select all intervals when heart rate was above a certain value. Then analyze distance moved, velocity, and movement.

Procedure

1.In the Data profile, under Nesting, click the Add button next to [data set name] state.

2.Define the state variable. For details, see External data - state in the Analysis profile.

3.Click OK. Proceed with step 4 on How to select track segments.

Notes

▪The track segments are based on the values of external data calculated on the re-sampled signal, not the original (imported) signal.

▪If you have chosen the variable under Nesting over Subjects, the Actors tab is also available. Select the subjects whose state define the nesting intervals. If you select two or more subjects, select:

▪Any selected subject. To analyze the time that at least one subject was in that state.

▪All selected subjects. To analyze the time that all subjects were in that state simultaneously.