Rank multiple fitting functions by their fit reports.

PURPOSE
This app can be used to rank fitting functions by fit reports. It can find the optimal model by AIC, BIC, Adj. R-Square, Reduced Chi-Sqr or Residual Sum of Squares.

INSTALLATION
Download the file RankModelsFitReports.opx, and then drag-and-drop onto the Origin workspace. An icon will appear in the Apps Gallery window.
NOTE: This tool requires OriginPro.

OPERATION

1. Click the Rank Models by Fit Reports icon in the Apps Gallery window to open the dialog.
2. In the opened dialog, choose Number of Models to Compare. Click OK button.
3. In the pop-up Choose Fit Reports dialog, click Browse button on the right of each Report edit box. Click OK button.
4. A summary report will be created, which list AIC, BIC, Adj. R-Square, Reduced Chi-Sqr and Residual Sum of Squares. And the optimal model by BIC is marked in red color. You can also select another column and sort worksheet to find the best model according to other methods. The smaller AIC, BIC, Reduced Chi-Sqr and Residual Sum of Squares are, or the larger Adj. R-Square is, the better the model will be.

Sample OPJU File
This app provides a sample OPJU file. Right click on the Rank Models by Fit Reports icon in the Apps Gallery window, and choose Show Samples Folder from the short-cut menu. A folder will open. Drag-and-drop the project file RankModelsReportsExample.opju from the folder onto Origin. The Notes window in the project shows detailed steps.
Note: If you wish to save the OPJU after changing, it is recommended that you save to a different folder location (e.g. User Files Folder).

3/16/2021 v1.1 Supported concatenate fits.