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Prediction model learning apparatus, prediction model learning method, and computer program
Prediction model learning apparatus, prediction model learning method, and computer program
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机译:预测模型学习装置,预测模型学习方法和计算机程序
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摘要
PROBLEM TO BE SOLVED: To provide technology for generating a model capable of highly accurate prediction even when some of explanatory variables included in training data is lost.SOLUTION: In the case of machine learning of a model conducted on the basis of training data in which samples composed of a pair of objective variable and explanatory variable are collected, the machine learning using a plurality of prediction models set for each group of samples of the training data that is divided into a plurality of groups, a use rate calculation unit 14 calculates, using an estimated parameter, a use rate of each of the prediction models constituting a model to be outputted for a lost pattern indicating a loss of component in an explanatory variable vector. An estimation unit 13 estimates a parameter of each prediction model by using the use rate of each prediction model for the lost pattern. A process performed by the use rate calculation unit 14 and a process performed by the estimation unit 13 using the use rate of each prediction model calculated by the process are alternately repeated by an instruction unit 15.
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