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A new test procedure for the choice of dependence structure in risk measurement : application to the US and UK stock market indices

Shim, Jeungbo; Lee, Eun-joo; Lee, Seung-Hwan - In: Applied economics 48 (2016) 13/15, pp. 1382-1389

Persistent link: https://www.econbiz.de/10011433225

On the versatility of the combination of the weighted log-rank statistics

Lee, Seung-Hwan - In: Computational Statistics & Data Analysis 51 (2007) 12, pp. 6557-6564

Persistent link: https://www.econbiz.de/10005081967

Using integrated weighted survival difference for the two-sample censored data problem

Lee, Seung-Hwan; Lee, Eun-Joo; Omolo, Bernard Oguna - In: Computational Statistics & Data Analysis 52 (2008) 9, pp. 4410-4416

For the two-sample censored data problem, Pepe and Fleming [Pepe, M.S., Fleming, T.R., 1989. Weighted Kaplan-Meier statistics: A class of distance tests for censored survival data. Biometrics 45, 497-507] introduced the weighted Kaplan-Meier (WKM) statistics. From these statistics we define...

Persistent link: https://www.econbiz.de/10005172585

Improvement of enzymatic saccharification of Populus and switchgrass by combined pretreatment with steam and wet disk milling

Kumagai, Akio; Wu, Long; Iwamoto, Shinichiro; Lee, … - In: Renewable Energy 76 (2015) C, pp. 782-789

To reduce the recalcitrance of lignocellulosic biomass for subsequent biological processing, we pretreated energy crop feedstocks with mild steam treatment (ST; 130 and 150 °C for 60 min) and wet disk milling (WDM). We tested two phylogenetically different, but typical energy crop feedstocks:...

Persistent link: https://www.econbiz.de/10011189876

Confidence intervals for the regression parameter based on weighted log-rank estimating functions

Lee, Seung-Hwan - In: Computational Statistics 25 (2010) 3, pp. 429-440

Persistent link: https://www.econbiz.de/10008456130

Some estimators and tests for accelerated hazards model using weighted cumulative hazard difference

Lee, Seung-Hwan - In: Journal of Applied Statistics 36 (2009) 5, pp. 473-482

For a censored two-sample problem, Chen and Wang [Y.Q. Chen and M.-C. Wang, Analysis of accelerated hazards models, J. Am. Statist. Assoc. 95 (2000), pp. 608-618] introduced the accelerated hazards model. The scale-change parameter in this model characterizes the association of two groups....

Persistent link: https://www.econbiz.de/10004966844