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박석윤,정기영,박래현,이낙영,이석훈,이주호,김주한,김홍기,김종우,조한석,정현용,김재문,한상익,전양환,이민선 충남대학교 기초과학연구소 1999 忠南科學硏究誌 Vol.26 No.2
With the correct equipment, microvolt EEG signals can be recorded from the scalp. Their potential use for diagnosis of physiological and psychiatric diseases and for increasing our understanding of cognitive processes is being realized by current research in many fields. Our work focuses on the research for good EEG signal representations and on careful analysis classification results using statistical EEG analysis(SEEG).
박석윤,정현용 충남대학교 기초과학연구소 1996 忠南科學硏究誌 Vol.23 No.2
There are several important varying coefficient regression models: purely random coefficient model, adaptive coefficient model, statistically convergent models. And a method of the identification of varying coefficient regression model is considered; the MSDj(j-th mean square difference) of varying coefficient is suggested by B. Raj and A. Ullah(1981). We considered computation subroutine RU to estimate the MSDj and several example of computation with simulated data.
박석윤,정현용 충남대학교 1996 忠南科學硏究誌 Vol.23 No.1
In the winter semester of 1955 academic year, junior student in the department of Statistics, who are taking the course of methodology for Statistical survey, are divided into 5 groups. Each groups conduct a survey which contains all the process of collecting and analyzing data. In this paper, we discuss the effects and the experiences of this curriculum, and suggest improved curriculum.
朴錫潤 충남대학교 자연과학연구소 1980 學術硏究誌 Vol.7 No.2
The possibility of serial correlation of disturbances presents a serious problem in time series regression analysis. In this paper the basic theory upon which several tests of the independence of least squares regression disturbance are based is reviewed.
時系列에서의 缺測値에 관하여(Ⅰ) : 綜合的 模型의 設定을 中心으로
박석윤 충남대학교 자연과학연구소 1982 忠南科學硏究誌 Vol.9 No.2
A problem which often occurs in the analysis of time series data is that of missing observations. In particular, the situation aries where the time interval between recordings has been shortened at some point. Several methods have been devised to deal with this problem either when related series are available on when only period values exist. This note tries to improve and clarify the interpretation of the only existing method.
박석윤,윤병한 충남대학교 기초과학연구소 2000 忠南科學硏究誌 Vol.27 No.1
With the correct equipment, microvolt EEG signals can be recorded from the scalp. Their potential use for diagnosis of physiological and psychiatric diseases and for increasing our understanding of cognitive processes is king realized by current research in many fields. Our work focuses on normal EEG pattern.
地方守令에 대한 인사관리 패턴변화 : 1597년에서 1982년까지
朴錫潤,朴錫仁 충남대학교 기초과학연구소 2005 忠南科學硏究誌 Vol.32 No.1
『Yoenki-Heun Seongsaeng-an』(燕岐縣先生案; a document on local government of Yoeki-Heun), a separate-volume addendum of 『Eup-ji』(邑誌; a town chronicle), is a archive on local government in the late Joseon period (1597-1892). And 『Yoenki-Heun Seonsaeng-an』includes name of county headman, former occupation, date of appointment, date of displacement or removal, reason of dismissal (disciplinary punishment?fire?relegation?registration?replacement?promotion) and remarkable executive services etc. We attempt to find out pattern change and change point of local governors' personal management in the late Joseon period.
박석윤 충남대학교 자연과학연구소 1989 忠南科學硏究誌 Vol.16 No.1
Several important varying coefficient regression models are described; purely random coefficient model, statistically convergent coefficient models. And a method of the identification of varying coefficient regression models is considered; j'th MSD(mean square difference) is suggested, and the characteristic behavior of j'th MSD for each varying coefficient models is presented.
박석윤,최종석 충남대학교 자연과학연구소 1983 忠南科學硏究誌 Vol.10 No.2
Given a set of aggregate data such as quarterly or annual quantities and the corresponding aggregate time-series model, a disaggregation method is proposed to obtain a disaggregated time series model and hence disaggregated data such as monthly or quarterly quantities.