Preprocess Data Using Quick Start
As a preprocessing shortcut for time-domain data, select Preprocess > Quick start to simultaneously perform the following four actions:
- Subtract the mean value from each channel. - Note - For information about when to subtract mean values from the data, see Handling Offsets and Trends in Data. 
- Split data into two parts. 
- Specify the first part as estimation data for models (or Working Data). 
- Specify the second part as Validation Data.