bsp;sampleIdx,
            <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;varType,
            <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;missingDataMask,
            <a href="../../../org/opencv/ml/CvDTreeParams.html" title="class in org.opencv.ml">CvDTreeParams</a>&nbsp;params)</pre>
                            <div class="block"><p>Trains a decision tree.</p>

                                <p>There are four <code>