Parse XGB Classifier Rules to Dart Code. Feel free to pull request if you want to port this code to another programming languange
- Dumps XGB model to json
model._Booster.dump_model('xgb.json', dump_format='json') - Convert model to Dart Code
parseRule(xgbFile, fileCode, clazz)
XGB Dart Rule:
/// Get decision of given parameters pattern,diff,width
/// [pattern] parameter of pattern should be [int] value
/// [diff] parameter of diff should be [double] value
/// [width] parameter of width should be [int] value
/// Returns one of [R01_CALL, R02_PUT, R03_CALL, R04_PUT, R05_CALL, R06_PUT, R07_CALL, R08_PUT]
Map getDecision(int pattern, double diff, int width) {
if (pattern < 3 && diff < 0.238766268 && diff < 0.235913947) {
return {"class": "CALL", "confident": 0.0277777798, "rule_id": "R01_CALL"};
} else if (pattern < 3 && diff < 0.238766268 && diff < 0.235913947) {
return {"class": "PUT", "confident": -0.127272725, "rule_id": "R02_PUT"};
} else if (pattern < 3 && diff < 0.238766268 && diff < 0.330286235) {
return {"class": "CALL", "confident": 0.0734177232, "rule_id": "R03_CALL"};
} else if (pattern < 3 && diff < 0.238766268 && diff < 0.330286235) {
return {"class": "PUT", "confident": 0.0388489217, "rule_id": "R04_PUT"};
} else if (pattern < 3 && width < 226 && diff < 0.0330512151) {
return {"class": "CALL", "confident": 0.0500000007, "rule_id": "R05_CALL"};
} else if (pattern < 3 && width < 226 && diff < 0.0330512151) {
return {"class": "PUT", "confident": -0.103448272, "rule_id": "R06_PUT"};
} else if (pattern < 3 && width < 226 && diff < 0.351385921) {
return {"class": "CALL", "confident": -0.0344827585, "rule_id": "R07_CALL"};
} else if (pattern < 3 && width < 226 && diff < 0.351385921) {
return {"class": "PUT", "confident": 0.127272725, "rule_id": "R08_PUT"};
}
return {};
}XGB Models:
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"split": "pattern",
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"no": 2,
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