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어떤 異常値의 包含 및 除去에 따른 左側截斷된 指數壽命分布의 베이지안 推定
朴萬坤 釜山水産大學校 1988 釜山水産大學 硏究報告 Vol.28 No.2
하나의 異常値를 갖는 左側截斷된 指數壽命分布上의 Exchangeable-outlier 模型에서 그 하나의 異常値가 包含되는 境遇와 除去되는 境遇에서의 母數들과 信賴度에 대한 베이즈 推定量을 提案하고 Monte Carlo 方法에 依해 提案된 두 境遇들의 推定量들의 性能을 比較하였다.
朴萬坤,朴美榮,姜奉勳 釜山水産大學校 1986 釜山水産大學 硏究報告 Vol.26 No.1-2
하나의 異狀値를 갖는 一母數 指數分布上에서 異狀値를 決定하는 障碍母數가 固定된 境遇와 可變인 境遇로 區分하여 信度函數에 對한 공액 事前分布와 非情報 事前分布의 베이즈 推定量을 提案하고, Monte Carlo Simulation과 數値積分技法을 利用해서 無作爲小標本을 推出하여 信度에 關한 提案된 베이즈 推定値들과 最尤推定値를 計算하고, 또한 이 推定値들의 平均 MSE를 求하여 그 性能을 比較한 結果, 하나의 異狀値를 갖는 境遇에도 베이즈 推定量이 훨씬 優秀하다는 事實을 調査하였다.
大邱地域 中小企業의 效率的인 技術開發 方案에 관한 硏究
全瑨文,張晩植,尹在坤,金圭昌,李栽燁,朴筍植,黃建夏 효성여자대학교 산업경영연구소 1988 경영경제 Vol.5 No.-
For modern business firms, the most important factor in determining comprtitiveness of a firm is technology, rather than capital. Technogical innovation is a driving force to develop an economy and is essential in growth and/or survival of a business firm. Following studies concerned with this subject, small business firms seem to be more efficient in technological innovation and developing new technology in several respects. Espercially in the new technology based industries, the small business firms have several advantages in technological innovation. In this study, we tried to show how to plan a technology development strategy in relation to management strategy when small business of theoretical and empirical study, we aimed to show the way to efficient management and procedure of technological innovation. For the research methodology, we firstly reviewed and analyzed current and previous studies about technological innovation strategy, efficient management, and selection of R&D projects. Secondly, the results of this theoretical study was examined empirically. The empirical study contains 153 questionaires and 30 interviews for business firms of this area. In addition, for the evaluation criteria for the selection of R&D projects, we sent questionaires to 60 professors who teaches R&D OR in university or college level. The result of these questionaires was analyzed and compared with that of the business firms of this area. The result of this empirical study shows that top management of small business firms should notice the importance of technological innovation and try to stimulate R&D activity. For the evaluation criteria for R&D projection, the criteria which could reduce the possibility of future uncertainty, maximize profit, and he suited for the situation of the business firm, should be established.
Bayes Estimators of MTTF in the Gamma Life Model
PARK, Man Gon 釜山水産大學校 1985 釜山水産大學 硏究報告 Vol.25 No.1
故障時間 X₁,X₂, …, ??이 形狀母數 P와 尺度母數 θ를 갖는 감마分布의 無作爲標本이라고 할때, (1) 非情報 事前分布의 一般類, (2) 공액 事前分布의 一般類를 갖는 平均壽命時間(MTTF)의 베이즈 推定量들을, 形狀母類 P가 旣知인 境遇와 未知인 境遇로 區分해 提案하고, 電子計算機를 使用해서, Fishman의 알고리즘에서 얻어진 감마 無作爲標本을 出力시키고 그 結果를 利用해서 形狀母數 P의 값이 旣知일때의 MTTF에 對한 베이즈 推定量을 計算하고 그 變化를 考察함.