ENHANCED GRADIENT BOOSTING TREE FOR RISK AND FRAUD MODELING

Methods and systems are presented for generating a machine learning model using enhanced gradient boosting techniques. The machine learning model is configured to receive inputs corresponding to a set of features and to produce an output based on the inputs. The machine learning model includes multi...

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Hauptverfasser: Zhou, Yanzan, Tu, Fangbo, Hao, Xuyao, Hu, Zhanghao
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Tu, Fangbo
Hao, Xuyao
Hu, Zhanghao
description Methods and systems are presented for generating a machine learning model using enhanced gradient boosting techniques. The machine learning model is configured to receive inputs corresponding to a set of features and to produce an output based on the inputs. The machine learning model includes multiple layers, wherein each layer includes multiple models. To generate the machine learning model, multiple models are built and trained in parallel for each layer of the machine learning model. The multiple models use different subsets of features to produce corresponding output values. After a layer in built and trained, a collective error may be determined for the layer based on the output values from the different models in the layer. An additional layer of models may be added to the machine learning model to reduce the collective error of a previous layer.
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subjects CALCULATING
COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
COMPUTING
COUNTING
PHYSICS
title ENHANCED GRADIENT BOOSTING TREE FOR RISK AND FRAUD MODELING
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