K-Nearest Neighbors

Select K-Nearest Neighbors from the Machine Learning Startup Panel - Quick tab and click the OK button to display the K-nearest neighbors dialog box. You can also double-click K-Nearest Neighbors to display the dialog box, which contains five tabs: Quick, Sampling, Options, Cross-Validation, and Memory usage.

OK

After specifying options, click the OK button to begin the K-Nearest Neighbors (KNN) analysis and display the Results dialog box.

Cancel

Click the Cancel button to close the K-nearest neighbors dialog box without performing an analysis and return to the Machine Learning Startup Panel.

Options

Click the Options button to display the Options menu.

Select Cases

Click the Select Cases button to display the Analysis/Graph Case Selection Conditions dialog box, which is used to create conditions for which cases will be included (or excluded) in the current analysis. More information is available in the case selection conditions overview, syntax summary, and dialog box description.

W

Click the W (Weight) button to display the Analysis/Graph Case Weights dialog box, which is used to adjust the contribution of individual cases to the outcome of the current analysis by "weighting" those cases in proportion to the values of a selected variable.

MD deletion

Missing data can be deleted Casewise or substituted by means (Mean substitution) depending on the option selected in the MD deletion group box.

Casewise

Select the Casewise option button to include only the cases that do not contain any missing data for any of the selected variables in the analysis.

Mean substitution

Select the Mean substitution option button to replace missing data by the means for the respective variables (for this analysis only, not in the data file).