Workspace Node: Nonlinear Estimation - Results - Residuals Tab

In the Nonlinear Estimation node dialog box, under the Results heading, select the Residuals tab to access the following options.

Observed, predicted, residual values. Select this check box to create a spreadsheet containing the observed values, predicted values, and residual values (i.e., observed values minus predicted values).

Element Name Description
Normal probability plot of residuals Select this check box to produce a normal probability plot, which provides a quick way to visually inspect to what extent the pattern of residuals follows a normal distribution. If the residuals are not normally distributed, they will deviate from the line. Outliers can also become evident in this plot. If there is a general lack of fit, and the data seem to form a clear pattern (e.g., an S shape) around the line, the dependent variable may have to be transformed in some way (e.g., a log transformation to "pull in" the tail of the distribution, etc.).
Classification of cases & odds ratio Select this check box to produce a spreadsheet containing the classification of cases and odds ratio.
Save predicted and residual values Select this check box to produce predicted and residual scores (as well as all variables in the current data file) in a standard STATISTICA spreadsheet.
Histogram of residuals Select this check box to create a plot of the frequency distribution (Histogram) of the residuals, overlaid with the normal curve (the expected frequencies for the normal distribution).
Half-normal probability plot Select this check box to create a half-normal probability plot, which is constructed in the same way as the standard normal probability plot, except that only the positive half of the normal curve is considered. Consequently, only positive normal values will be plotted on the Y axis.
Predicted vs. observed values. Select this check box to produce a plot of the predicted values vs. the observed values.
Predicted vs. residual values. Select this check box to create a plot of the predicted values vs. the residual values.

Options / C / W. See Common Options.

OK Click the OK button to accept all the specifications made in the dialog box and to close it. The analysis results will be placed in the Reporting Documents node after running (updating) the project.