Example of lowess smoother (scatterplot)
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In the Example of a simple scatterplot, you examine the relationship between voltage remaining in your batteries immediately after a flash and the length of time required for a battery to support another flash. You want to fit a lowess line.

Note

Similar lowess smoother functions are available for matrix plots and time series plots.

1    Open the worksheet BATTERIES.MTW.

2    Choose Graph > Scatterplot.

3    Choose Simple, then click OK.

4    Under Y variables, enter FlashRecov. Under X variables, enter VoltsAfter.

5    Click Data View.

6    Click the Smoother tab.

7    Under Smoother, choose Lowess.

8    Click OK in each dialog box.