Modeling:MultiFit
From QuB
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MultiFit performs nonlinear least-squares regression (curve fitting) on each selection in the Data Source. For example, you can fit each trace in a selection list to a double exponential. Parameter values, error limits, and residuals for each selection are shown in the Results window.
The Curve Fitting interface is described on its own page. MultiFit adds two panels on the left, as well as "Fit All" and "Keep It" buttons.
Contents |
Selections
A list of all the selections in the chosen Data Source (sel/list/file). Click a selection to see it. Un-check a selection to exclude it from "Fit All."
Results
A list of completed fits, generated by the "Fit All" and "Keep It" buttons. Double-click an item to see it.
Fit All
Fits each checked selection to the curve. Each selection starts from the same initial parameter values. Each fit is added to the Results list.
Keep It
Adds the displayed fit to the Results list. There can be more than one result per selection.
See Also
- the Results window. The Segments table lists residuals, parameter values and error limits for all selections. The Select tab lets you plot those variables, and exclude outliers or separate heterogeneous data.
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