Toolbar Control

The 1-D Fit Toolbar opens in the target Plot Window and exposes the fitting commands together near the focal point of your work.

Fit Orders

Polynomials of 1 to 10 coefficients may be fit, with some orders excluded or set to specific values

Forcing Coefficient Values

Coefficients of selected order can be forced to specific values or excluded from the fit by setting them to 0.0. See the Set Coefs page of the 1-D Fit Properties dialog. Also see Using 1-D Fit Coefficient Forcing.

Point Weighting

Click on a point to change its weight in the fit computation.

Point Deletion

Click on a point to delete it from the fit.

Iterative Sigma Clipping

If enabled, points are removed from the fit when they are further than a specified number of sigma's from the mean fit. See the Sigma Clipping page of the 1-D Fit Properties dialog.

Selectable Series Fitting

Plot windows may contain multiple data series, but you can fit any or all of the series by selecting the series that are visible using the Plot Series Attributes dialog. Only series visible in "Overplot" mode are fit. See Using Series Selection for the 1-D Fit.

Data Windowing

Permits points inside rectangular data windows to be used in the fit. See Using 1-D Point Selection Regions.

Adjustable Drawing Properties

Change colors, shape, etc. for deleted, weighted, and rejected points using the Drawing page of the 1-D Fit Properties dialog..

Logging of Results

In verbose mode, results are tabulated in the Main Message Pane where they may be edited, printed, or saved.