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| <h2 title="Class XGModelParser" class="title">Class XGModelParser</h2> |
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| <pre>public class <span class="typeNameLabel">XGModelParser</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../../../org/apache/ignite/ml/inference/parser/ModelParser.html" title="interface in org.apache.ignite.ml.inference.parser">ModelParser</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/NamedVector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">NamedVector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="../../../../../../org/apache/ignite/ml/xgboost/XGModelComposition.html" title="class in org.apache.ignite.ml.xgboost">XGModelComposition</a><span class='angle_bracket'>></span></pre> |
| <div class="block">XGBoost model parser. Uses the following ANTLR grammar to parse file: |
| <pre> |
| grammar XGBoostModel; |
| |
| YES : 'yes' ; |
| NO : 'no' ; |
| MISSING : 'missing' ; |
| EQ : '=' ; |
| COMMA : ',' ; |
| PLUS : '+' ; |
| MINUS : '-' ; |
| DOT : '.' ; |
| EXP : 'E' | 'e' ; |
| BOOSTER : 'booster' ; |
| LBRACK : '[' ; |
| RBRACK : ']' ; |
| COLON : ':' ; |
| LEAF : 'leaf' ; |
| INT : (PLUS | MINUS)? [0-9]+ ; |
| DOUBLE : INT DOT [0-9]* (EXP INT)?; |
| STRING : [A-Za-z_][0-9A-Za-z_]+ ; |
| NEWLINE : '\r' '\n' | '\n' | '\r' ; |
| LT : '<' ; |
| WS : ( ' ' | '\t' )+ -> skip ; |
| |
| xgValue : DOUBLE | INT ; |
| xgHeader : BOOSTER LBRACK INT RBRACK COLON? ; |
| xgNode : INT COLON LBRACK STRING LT xgValue RBRACK YES EQ INT COMMA NO EQ INT COMMA MISSING EQ INT ; |
| xgLeaf : INT COLON LEAF EQ xgValue ; |
| xgTree : xgHeader NEWLINE ( |
| ((xgLeaf | xgNode) NEWLINE)+ ((xgLeaf | xgNode) EOF)? |
| | ((xgLeaf | xgNode) NEWLINE)* (xgLeaf | xgNode) EOF |
| ) ; |
| xgModel : xgTree+ ; |
| </pre></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../serialized-form.html#org.apache.ignite.ml.xgboost.parser.XGModelParser">Serialized Form</a></dd> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/xgboost/parser/XGModelParser.html#XGModelParser--">XGModelParser</a></span>()</code> </td> |
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| <td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/xgboost/XGModelComposition.html" title="class in org.apache.ignite.ml.xgboost">XGModelComposition</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/xgboost/parser/XGModelParser.html#parse-byte:A-">parse</a></span>(byte[] mdl)</code> |
| <div class="block">Accepts serialized model represented by byte array, parses it and returns <a href="../../../../../../org/apache/ignite/ml/inference/Model.html" title="interface in org.apache.ignite.ml.inference"><code>Model</code></a>.</div> |
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| <h4>XGModelParser</h4> |
| <pre>public XGModelParser()</pre> |
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| <h4>parse</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/xgboost/XGModelComposition.html" title="class in org.apache.ignite.ml.xgboost">XGModelComposition</a> parse(byte[] mdl)</pre> |
| <div class="block">Accepts serialized model represented by byte array, parses it and returns <a href="../../../../../../org/apache/ignite/ml/inference/Model.html" title="interface in org.apache.ignite.ml.inference"><code>Model</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/ignite/ml/inference/parser/ModelParser.html#parse-byte:A-">parse</a></code> in interface <code><a href="../../../../../../org/apache/ignite/ml/inference/parser/ModelParser.html" title="interface in org.apache.ignite.ml.inference.parser">ModelParser</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/NamedVector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">NamedVector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="../../../../../../org/apache/ignite/ml/xgboost/XGModelComposition.html" title="class in org.apache.ignite.ml.xgboost">XGModelComposition</a><span class='angle_bracket'>></span></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>mdl</code> - Serialized model represented by byte array.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Inference model.</dd> |
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