| MATLAB File Help: prtDataInterfaceCategoricalTargets/retainClassesByInd | 
retainClassesByInd retain observations corresponding to specified class indexes subDataSet = dataSet.retainClassesByInd(classInds) returns a data set subDataSet containing only the observations that have targets with values that corresped to the specified class indexes.
| Access | public | 
| Sealed | false | 
| Static | false |