How to Detrend Data Using the App
Before you can perform this task, you must have regularly-sampled, steady-state time-domain data imported into the System Identification app. SeeImport Time-Domain Data into the App). For transient data, seeHow to Detrend Data at the Command Line.
Tip
You can use the shortcutPreprocess>Quick startto perform several operations: remove the mean value from each signal, split data into two halves, specify the first half as model estimation data (orWorking Data), and specify the second half as modelValidation Data.
In the System Identification app, drag the data set you want to detrend to theWorking Datarectangle.
Detrend the data.
To remove linear trends, selectPreprocess>Remove trends.
To remove mean values from each input and output data signal, selectPreprocess>Remove means.
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