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學(xué)術(shù)報(bào)告:A magic cross validation theory for large margin classifiers

報(bào)告題目A magic cross validation theory for large margin classifiers

報(bào)告時(shí)間2018628號(hào)(周四)10:0011:30

報(bào)告地點(diǎn):北辰校區(qū)理學(xué)院(西教五)416 

報(bào)告嘉賓Professor Hui ZouUniversity of Minnesota

  

Abstract:

Cross validation is the most commonly used technique in machine learning for tuning the learning algorithm in order to achieve better generalization error rate. In this talk we present a magic CV theory which can allow users to very efficiently tune the support vector machine and related algorithms. The theory also provides a straightforward way to prove the Bayes consistency of these algorithms. We demonstrate our method on extensive simulations and benchmark data studies.

 

嘉賓簡(jiǎn)介

Zou Hui教授是明尼蘇達(dá)大學(xué)統(tǒng)計(jì)系教授,國(guó)際數(shù)理統(tǒng)計(jì)學(xué)會(huì)會(huì)士(IMS Fellow)。Zou Hui 教授于2011年獲得IMS Tweedie Award以及2013年獲得COGS Outstanding Faculty Award。Zou Hui 教授曾任或現(xiàn)任統(tǒng)計(jì)學(xué)頂級(jí)期刊Journal of the Royal Statistical Society, Series BAnnals of Statistics以及Journal of the American Statistical Association(與Biometrika合稱統(tǒng)計(jì)學(xué)四大天王期刊)的Associate Editor,并任機(jī)器學(xué)習(xí)頂級(jí)期刊Journal of Machine Learning ResearchAction Editor

Zou Hui教授自2005年至今已在統(tǒng)計(jì)學(xué)四大天王期刊發(fā)表近30篇論文。Zou Hui教授的工作當(dāng)選2006年“Fast Breaking Paper in Mathematics”以及2008年“New Hot Paper in Mathematics”;Zou Hui教授于2014-2017年均被評(píng)為ISI高被引科學(xué)家(ISI Highly Cited Researcher)。截至目前,Zou Hui教授所發(fā)表的論文合計(jì)被引用次數(shù)高達(dá)19154次;特別,Zou Hui教授和Hastie教授2005年合作提出的Elastic Net,2006Zou Hui教授提出的Adaptive LASSO方法,和Hastie教授、Tibshirani教授合作提出的稀疏主成分分析方法被引用次數(shù)分別高達(dá)7633次、4045次和1966次。Zou Hui教授也是最早在國(guó)內(nèi)參與提出統(tǒng)計(jì)優(yōu)化學(xué)科的專家之一。