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Smoothing using Adjacent Averaging

As its name suggests smoothing by Adjacent Averaging essentially takes the average of a certain number (which you specify) of data points around each point in your data and replaces that point with the new average value.

If you enter an odd number n, then n points are used to calculate each averaged result. If you enter an even number m, then m+1 points are used to calculate each averaged result. The smoothed value at index i is the average of the data points in the interval [i-(n-1)/2, i+(n-1)/2], inclusive.

Origin and Adjacent Averaging smoothing...

Adjacent Averaging smoothing is accessible from Origin's Analysis menu or the Smoothing tool (Tools:Smooth). When selected, the Smoothing dialog opens.

 

Here you specify how many data points at a time to be considered by the smoothing routine.

The dialog also includes a Smoothed Line Color drop-down list and an Apply button. The Apply button can be used to perform the smoothing operation as many times as you want without ever leaving the dialog. As long as the dialog is open, the smoothed line replaced by the result of the latest calculations.

 

 

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