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作者:Rissanen, J; Yu, B
作者单位:University of California System; University of California Berkeley
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作者:Vere-Jones, D
作者单位:Victoria University Wellington
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作者:Reid, N
作者单位:University of Toronto
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作者:Buyske, S; Fagerstrom, R; Ying, ZL
作者单位:Rutgers University System; Rutgers University New Brunswick; National Institutes of Health (NIH) - USA; NIH National Cancer Institute (NCI)
摘要:In many epidemiological and medical follow-up studies, a majority of study subjects do not experience the event of interest during the follow-up period. An important example is the ongoing prostate, lung, colorectal, and ovarian cancer screening trial of the National Cancer Institute. In such a situation, the widely used G(rho) family of weighted log-rank statistics essentially reduces to the special case of the (unweighted) log-rank statistics. We propose a simple modification to the G(rho) f...
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作者:Pollock, KH
作者单位:North Carolina State University
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作者:Berger, JO
作者单位:Duke University
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作者:Solo, V
作者单位:University of New South Wales Sydney
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作者:Gunter, B; Holder, D
作者单位:Merck & Company; Merck & Company
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作者:Rubin, DB; Frangakis, CE
作者单位:Harvard University; Johns Hopkins University
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作者:Ding, AA; Hwang, JTG
作者单位:Northeastern University; Cornell University
摘要:We discuss a technique that provides prediction intervals based on a model called an empirical linear model. The technique, high-dimensional empirical linear prediction (HELP), involves principal component analysis, factor analysis and model selection. In fact, a special case of the empirical model is the factor analysis model. A factor analysis model does not generally aim at prediction, however. Therefore, HELP can be viewed as a technique that provides prediction (and confidence) intervals ...