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데이터 사이언티스트의 역량과 빅데이터 분석성과의 PLS 경로모형분석 : Kaggle 플랫폼을 중심으로
한경진,조근태,Han, Gyeong Jin,Cho, Keuntae 대한산업공학회 2016 대한산업공학회지 Vol.42 No.2
This paper focuses on competencies of data scientists and behavioral intention that affect big data analysis performance. This experiment examined nine core factors required by data scientists. In order to investigate this, we conducted a survey to gather data from 103 data scientists who participated in big data competition at Kaggle platform and used factor analysis and PLS-SEM for the analysis methods. The results show that some key competency factors have influential effect on the big data analysis performance. This study is to provide a new theoretical basis needed for relevant research by analyzing the structural relationship between the individual competencies and performance, and practically to identify the priorities of the core competencies that data scientists must have.
유관 나사 및 Hybrid형 외고정술을 이용한 당뇨병성 샤르코 족관절 신경관절병증의 관절 유합술
한경진,노형래,한승환,Han, Kyeung-Jin,Roh, Hyong-Rae,Han, Seung-Hwan 대한족부족관절학회 2010 대한족부족관절학회지 Vol.14 No.2
Purpose: The diabetic charcot neuroarthropathy of ankle is an infrequent site (around 5%), but is definitely the location that, because of the instability and progressive deformity it involves, cause ulceration in a high percentage of patients, and this can then become a reason for amputation. However, the treatment of this disastrous disease is still challenging. We analyzed the clinical and radiological results of ankle arthrodesis by our fixation method in Charcot neuroarthropathy. Materials and Methods: Seven cases that were diagnosed as charcot neuroarthropathy of ankle arthrodesis were followed for more than 16 months postoperatively. Mean age was 57 years, and the mean follow-up period was 27 months. Anterior approach was used in arthrodesis, and internal fixation by 3 or more cannulated screws and hybrid type external fixation were used. Auto iliac bone for grafting was combined in all cases. External fixator was kept for 3 months without weight-bearing. Then, boots brace was applied for more 3 months allowing partial weight-bearing. Four cases had minor complications such as pin site infection. Preoperative and postoperative AOFAS score, time to fusion and postoperative complications were checked. Results: Postoperative fusion was completed in all cases, and the mean time to fusion was 3.4 months. No postoperative complication was checked. At the last follow-up, the mean AOFAS score had increased from 54 points to 72 points. Patient's satisfaction was over 80%. Conclusion: Satisfactory results were obtained after ankle arthrodesis using internal and hybrid type external fixation combined with auto iliac bone graft in charcot neuroarthropathy with minor complications.
대퇴직근 기능성 유리 피판술을 위한 신경 및 혈관에 대한 해부학적 고찰
한경진,이영길,김준용,한승환,이두형,조재호,Han, Kyoung-Jin,Lee, Young-Kil,Kim, Joon-Yong,Han, Seung-Hwan,Lee, Du-Hyoung,Cho, Jae-Ho 대한미세수술학회 2007 Archives of reconstructive microsurgery Vol.16 No.1
The purpose of this article to evaluate the availability of the rectus femoris flap in Korean subjects. Material and Methods is that Cadaveric dissections were done on 51 femoral triangles of 26 cadevers. We measured the length of the direct head of rectus femoris from anterior superior iliac spine to patella upper pole, ASIS to lateral border of femoral nerve, and entry point of femoral nerve and vessel branches to rectus. Usually, there were three terminal branches to rectus femoris from the femoral nerve. The entry point of the first branch was at the proximal $17.5{\sim}31.4%$ portion of the rectus femoris. The second and the third branch entered at the proximal $22.5{\sim}40.7%$ and $26.3{\sim}42.3%$, respectively. The vessel entry was at $20.2{\sim}37.3%$. The length from ASIS to femoral nerve was $3.5{\sim}8.5\;cm$. Among the 51 rectus femoris muscles, 44 had one nutrient artery, and 7 had 2 nutrient arteries. The nutrient artery originated from the descending branch of the lateral femoral circumflex artery in 18(40.9%) cases, directly from the lateral femoral circumflex artery in 8(18.0%) cases, and from proximal(6 cases, 13.6%) and distal(12 cases, 27.3%) portion of the deep femoral artery. The average length of the nutrient artery was 29.8 mm and the width was 2.14 mm. The point where it meets the main feeding artery of the rectus femoris was $9.0{\sim}15.0\;cm$ from the ASIS. In all cases, the main artery's entrance was proximal to the first nerve branch. Conclusion is that rectus femoris has available data for functional flap.
광주시 여중생의 전통생활문화교육의 인식에 따른 학교 적응 차이 연구
한경진(Han, Kyung-Jin),위은하(Wee, Eun-hah) 전남대학교 생활과학연구소 2009 生活科學硏究 Vol.19 No.-
The purpose of this study is to look into how well middle school girls understand traditional living culture what difference would exist on their school adaptation according to their perception of them at school. In addition, this study would be helpful to give teachers specific school life guidance and to plan out related to traditional living culture program. For this study, middle school girls were chosen in Gwangju. And the data from 486 questionnaires were collected from May 20th to June 15th in 2008. And the SPSS WIN 14.0(kr) was used as the analytic method of data. According to these results, the students' awareness on traditional living culture education influences their adjustments on school life, it is a effective way to teach them the basic instructions of traditional living culture education in their school adjustment. In consequence, to enhance students' school adjustment, they need to be taught the concept of traditional culture and how our culture is distinguished through the textbook. And there also needs to be educational contents that students contact directly.
내적 충돌증후군 야구선수의 재활운동 프로그램이 통증지수와 기능점수에 미치는 영향
한경진(Han, Kyung-Jin),이동복(Lee, Dong-Bok),김수현(Kim Su-Hyun) 한국체육과학회 2014 한국체육과학회지 Vol.23 No.4
The purpose of this study was to examine the effect of a rehabilitative exercise program on constant score and VAS in baseball player with internal impingement. The Subjects were 10 baseball player who had diagnosed internal impingement by orthopaedic medical doctor. Diagnosis included in magnetic resonance imaging and physical examination. They had a prescription of rehabilitative exercise program for 12 weeks, 3 day a week. Rehabilitative exercise program was modified by rehabilitation specialists based on studies of Wilk et al.,(2002) and Burkhart et al.,(2003). Data analysis was used by SPSS 15.0 for window package, It was used one-way repeated ANOVA, Post hoc test was used Bonferroni method and significant level was α =.05. The study was concluded as follows. Rehabilitative exercise program had improved in subjective function score(Constant) and VAS score, and These effects have appeared since 8 week of exercise program, In Conclusion, Above mentioned rehabilitative exercise program has been proved that improvement of subjective function score and VAS score in baseball player with internal impingement.