Examples with Node ml.shifu.shifu.core.dtrain.dt.Node used on opensource projects

Example 1 with Node

use of ml.shifu.shifu.core.dtrain.dt.Node in project shifu by ShifuML.

the class TreeNodePmmlElementCreator method convert.

public org.dmg.pmml.tree.Node convert(Node node, boolean isLeft, Split split) {
    org.dmg.pmml.tree.Node pmmlNode = new org.dmg.pmml.tree.Node();
    pmmlNode.setId(String.valueOf(node.getId()));
    if (node.getPredict() != null) {
        pmmlNode.setScore(String.valueOf(treeModel.isClassification() ? node.getPredict().getClassValue() : node.getPredict().getPredict()));
    }
    pmmlNode.setDefaultChild(null);
    Predicate predicate = null;
    ColumnConfig columnConfig = this.columnConfigList.get(split.getColumnNum());
    if (columnConfig.isNumerical()) {
        SimplePredicate p = new SimplePredicate();
        p.setValue(String.valueOf(split.getThreshold()));
        // TODO, how to support segment variable in tree model, here should be changed
        p.setField(new FieldName(NormalUtils.getSimpleColumnName(columnConfig.getColumnName())));
        if (isLeft) {
            p.setOperator(SimplePredicate.Operator.fromValue("lessThan"));
        } else {
            p.setOperator(SimplePredicate.Operator.fromValue("greaterOrEqual"));
        }
        predicate = p;
    } else if (columnConfig.isCategorical()) {
        SimpleSetPredicate p = new SimpleSetPredicate();
        Set<Short> childCategories = split.getLeftOrRightCategories();
        // TODO, how to support segment variable in tree model, here should be changed
        p.setField(new FieldName(NormalUtils.getSimpleColumnName(columnConfig.getColumnName())));
        StringBuilder arrayStr = new StringBuilder();
        List<String> valueList = treeModel.getCategoricalColumnNameNames().get(columnConfig.getColumnNum());
        for (Short sh : childCategories) {
            if (sh >= valueList.size()) {
                arrayStr.append(" \"\"");
                continue;
            }
            String s = valueList.get(sh);
            arrayStr.append(" ");
            if (s.contains("\"")) {
                String tmp = s.replaceAll("\"", "\\\\\\\"");
                if (s.contains(" ")) {
                    arrayStr.append("\"");
                    arrayStr.append(tmp);
                    arrayStr.append("\"");
                } else {
                    arrayStr.append(tmp);
                }
            } else {
                if (s.contains(" ")) {
                    arrayStr.append("\"");
                    arrayStr.append(s);
                    arrayStr.append("\"");
                } else {
                    arrayStr.append(s);
                }
            }
        }
        Array array = new Array(Array.Type.fromValue("string"), arrayStr.toString().trim());
        p.setArray(array);
        if (isLeft) {
            if (split.isLeft()) {
                p.setBooleanOperator(SimpleSetPredicate.BooleanOperator.fromValue("isIn"));
            } else {
                p.setBooleanOperator(SimpleSetPredicate.BooleanOperator.fromValue("isNotIn"));
            }
        } else {
            if (split.isLeft()) {
                p.setBooleanOperator(SimpleSetPredicate.BooleanOperator.fromValue("isNotIn"));
            } else {
                p.setBooleanOperator(SimpleSetPredicate.BooleanOperator.fromValue("isIn"));
            }
        }
        predicate = p;
    }
    pmmlNode.setPredicate(predicate);
    if (node.getSplit() == null || node.isRealLeaf()) {
        return pmmlNode;
    }
    List<org.dmg.pmml.tree.Node> childList = pmmlNode.getNodes();
    org.dmg.pmml.tree.Node left = convert(node.getLeft(), true, node.getSplit());
    org.dmg.pmml.tree.Node right = convert(node.getRight(), false, node.getSplit());
    childList.add(left);
    childList.add(right);
    return pmmlNode;
}

Example 2 with Node

use of ml.shifu.shifu.core.dtrain.dt.Node in project shifu by ShifuML.

the class TreeNodePmmlElementCreator method convert.

public org.dmg.pmml.tree.Node convert(Node node) {
    org.dmg.pmml.tree.Node pmmlNode = new org.dmg.pmml.tree.Node();
    pmmlNode.setId(String.valueOf(node.getId()));
    pmmlNode.setDefaultChild(null);
    pmmlNode.setPredicate(new True());
    pmmlNode.setEmbeddedModel(null);
    List<org.dmg.pmml.tree.Node> childList = pmmlNode.getNodes();
    org.dmg.pmml.tree.Node left = convert(node.getLeft(), true, node.getSplit());
    childList.add(left);
    org.dmg.pmml.tree.Node right = convert(node.getRight(), false, node.getSplit());
    childList.add(right);
    return pmmlNode;
}