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spline [Sun Oct 31 21:13:46 2010] Gray |
spline [Mon Jun 3 16:47:16 2013] Alexander |
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====== Using Spline for Baseline Subtraction (Pro edition only) ====== | ====== Using Spline for Baseline Subtraction (Pro edition only) ====== | ||
- | You can use cubic spline to fit and subtract baseline on Fit Plot. To create spline curve click on '' | + | You can use cubic spline to subtract baseline on Fit Plot. To create spline curve click on '' |
- | Do not use splines to subtract baselines which can be fit well enough with line curve (line or constant baseline). You may mistakenly subtract wide peaks using spline. | + | Do not use splines to subtract baselines which can be fit well enough with '' |
===== Editing Spline ===== | ===== Editing Spline ===== | ||
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* Double click on anchor point to remove it | * Double click on anchor point to remove it | ||
- | {{: | + | Set '' |
- | ===== Fitting with Spline ===== | + | {{: |
- | Spline anchor point (//x//, //y//) coordinates are treated as fit parameters so you can perform fitting | + | ===== Fitting |
- | It is recommended to set appropriate fit intervals which contain only baseline without peaks. In such case '' | + | Spline anchor point (//x//, //y//) coordinates are treated as fit parameters so you can perform fitting with spline |
- | Set '' | + | It is recommended to set appropriate fit intervals which contain only baseline without peaks. In such case '' |
- | {{: | + | {{: |
===== See Also ===== | ===== See Also ===== |