统计学应用和方法交流
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作者:Saebom Jeon , Seong Eun Kim , Yousung Park
来源:[J].Communications for Statistical Applications and Methods, 2015, Vol.22 (1)CSAM
摘要:The re-unification of the two Koreas is seen as a potential solution to the aging problem and low fertility, along with the increase in the old population structure of the Republic of Korea. Population structure is an indicator of national competitiveness or growth, but litt...
作者:Myung Jin Hwang
来源:[J].Communications for Statistical Applications and Methods, 2015, Vol.22 (1)CSAM
摘要:The Great Famine may have had a continued impact on the population structure of North Korea even after the crisis subsided ten years ago. However, there is a significant gap between what has been said about the country and what data indicates. This gap seems inevitable mainly bec...
作者:Keewhan Kim
来源:[J].Communications for Statistical Applications and Methods, 2015, Vol.22 (1)CSAM
摘要:Reunification, (considered a ‘bonanza’), is often expected to bring economic and social benefits as well as solutions to the population aging problem; consequently, the study on the population structure of North Korea is salient. This paper reviews and talks on the North Kor...
作者:Kyung Ok Park , Hye-Young Jung
来源:[J].Communications for Statistical Applications and Methods, 2015, Vol.22 (1)CSAM
摘要:This study proposes a mathematical model that can forecast national defense expenditures. The ongoing European debt crisis weighs heavily on markets; consequently, government spending in many countries will be constrained. However, a forecasting model to predict military spending...
作者:Sang Yong Jung , Chongsun Park
来源:[J].Communications for Statistical Applications and Methods, 2015, Vol.22 (1)CSAM
摘要:In this article, we propose nonconcave penalties on a reduced-rank regression model to select variables and estimate coefficients simultaneously. We apply HARD (hard thresholding) and SCAD (smoothly clipped absolute deviation) symmetric penalty functions with singularities at the...
作者:Sung-Soo Kim
来源:[J].Communications for Statistical Applications and Methods, 2015, Vol.22 (1)CSAM
摘要:An important problem in cluster analysis is the selection of variables that define cluster structure that also eliminate noisy variables that mask cluster structure; in addition, outlier detection is a fundamental task for cluster analysis. Here we provide an automated K-mea...
作者:Won Son , Chi Tim Ng , Johan Lim
来源:[J].Communications for Statistical Applications and Methods, 2015, Vol.22 (1)CSAM
摘要:In this paper, the probability that a given point is covered by a random convex hull generated by independent and identically-distributed random points in a plane is studied. It is shown that such probability can be expressed in terms of an integral that can be approximated numer...
作者:Eunju Hwang , Dong Wan Shin
来源:[J].Communications for Statistical Applications and Methods, 2015, Vol.22 (1)CSAM
摘要:Validity of the stationary bootstrap of Politis and Romano (1994) is proved for U-statistics under strong mixing. Weak and strong consistencies are established for the stationary bootstrap of U-statistics. The theory is applied to a symmetry test which is a U-statistic regarding ...

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