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    • 6. 发明申请
    • SYSTEM AND METHOD FOR MEDICAL PREDICTIVE MODELS USING LIKELIHOOD GAMBLE PRICING
    • 使用LIKELIHOOD GAMBLE PRICING的医学预测模型的系统和方法
    • WO2008150514A2
    • 2008-12-11
    • PCT/US2008006970
    • 2008-06-03
    • SIEMENS MEDICAL SOLUTIONSFUNG GLENNGIANG PHAN HONGSTECK HARALDRAO R BHARAT
    • FUNG GLENNGIANG PHAN HONGSTECK HARALDRAO R BHARAT
    • G06F19/00
    • G06K9/6278G16H50/20
    • A method for predicting survival rates of medical patients includes providing a set D of survival data for a plurality of medical patients, providing a regression model having an associated parameter vector ß, providing an example x? of a medical patient whose survival probability is to be classified, calculating (71) a parameter vector (i) that maximizes a log-likelihood function of ß over the set of survival data, (ii), wherein the log likelihood (ii) is a strictly concave function of ß and is a function of the scalar xß, calculating a weight (72) w? for example x?, calculating (73) an updated parameter vector ß* that maximizes a function (iii), wherein data points (y?, x?, w?) augment set D, calculating (74) a fair log likelihood ratio ?f from (i) and ß* using (iv), and mapping (75) the fair log likelihood ratio ?f to a fair price yf ?,
    • 一种用于预测医疗患者的存活率的方法包括提供多个医疗患者的生存数据的集合D,提供具有相关参数向量ß的回归模型,提供示例x? 计算(71)在生存数据集上最大化ß的对数似然函数的参数向量(i),(ii)其中对数似然度(ii)为 ß的严格凹函数是标量x的函数,计算权重(72)w? 例如x 1,计算(73)最大化函数(iii)的更新参数向量∈*,其中数据点(y 1,x 2,w 3)增加集合D,计算(74)公平对数似然比 f(i)和ß*使用(iv),并将公平对数似然比Δf映射(75)为公平价格yf?