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MONTE CARLO SIMULATION을 이용한 이상값 탐색방법의 효율성 비교
유종영 용인대학교 산업경영연구소 2003 산업경영논총 Vol.10 No.-
We considered the problem for confirmation of multiple outliers and leverage points. Identification of multiple outliers and leverage points is difficult because of the masking effect and swamping effect. Jong-Young YOO and Kisoo-Ahn(2002) identified multiple outliers and leverage points by using the adjacent effects which are high-breakdown robust estimators. In this thesis, We proved the efficiency of Jong-Young YOO and Kisoo-Ahn's method by comparing with five procedure(Sequential testing of maximum internally studentized residual, Sequential testing of maximum externally studentized residual, Marasinghe's multistage procedure and two procedure based on recursive residuals).
전국아파트가격동향조사의 표본추출 및 통계개편 방안 연구
유종영 용인대학교 자연과학연구소 2011 自然科學硏究所論文誌 Vol.16 No.1
This study was carried out to build new indexes for Apartment Price. The survey population size is 7,533,813 and we selected 14,330 apartment sample by using the stratified sampling method and pps sampling method. We considered five building area and five building year for efficiency of indexes of apartment price.
유종영,이경미 龍仁大學校 1997 용인대학교 논문집 Vol.13 No.-
In this talk, we present a computer software to explore the structure and to obtain clusters of a multidimensional data. For visualization, we are employing dynamic graphics method and use three graphical tools for the method. Three graphical tools are: dendrogram, constellation plot(Wakimoto, 1978) and FEDF scatterplot(Huh, 1995). The plots are dynamically linked each other and respond instantaneously with the choice of a proximity measure and linkage method. The selection of the number of clusters can be done in window by a click of a mouse.
전국 주택가격동향조사에서 연립주택 표본추출에 대한 연구
유종영 용인대학교 자연과학연구소 2009 自然科學硏究所論文誌 Vol.14 No.1
This study was carried out to build new indexes for Flats Price. The population size is 1,850,835 and we selected 3,402 flats smaple by using the stratified sampling method and clustering sample method. We considered three building area and three building year for efficiency of indexes of flats price. As a result, we made high defiteness under the reliability.
유종영 용인대학교 자연과학연구소 2008 自然科學硏究所論文誌 Vol.13 No.1
This study was carried out to build apartment's index. The population size is 7,487,457 and we selected 17,599 apartment sample by using the stratified sampling method and clustering sample method. We considered five building area and four building year for efficiency of apartment's index. As a result, we made 0.74% high defiteness under the 95% reliability.
Hadi와 Simonoff의 회귀진단방법 1단계에 대한 연구
유종영 용인대학교 자연과학연구소 1997 自然科學硏究所論文誌 Vol.2 No.2
Hadi & Simonoff introduced the problem of identifying and testing multiple outliers in linear models. Their method consists of 3 step, and first step finds a clean subset by using single diagnostics methods. I consider the problem of choosing single diagonostics method because of several single diagnostic methods have its special characterstics. The procedures are illustrated and compared to various existing methods, using several data sets known to contain multiple outliers.