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研究生: 吳政達
Wu, Cheng-Ta
論文名稱: 運用類神經網路估計新產品擴散模式係數之研究
指導教授: 王泰裕
Wang, Tai-Yue
學位類別: 碩士
Master
系所名稱: 管理學院 - 工業與資訊管理學系
Department of Industrial and Information Management
論文出版年: 2004
畢業學年度: 92
語文別: 中文
論文頁數: 57
中文關鍵詞: 產品屬性倒傳遞網路擴散模式
外文關鍵詞: product attributes, back propagation networks, diffusion model
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  •   隨著科技不斷地創新,新產品從構想、開發到成功上市的時間愈來愈短,而創新的高風險與高失敗率,使得企業在新產品的開發與管理上面臨相當大的挑戰。由於創新的擴散過程受到許多因素的影響,加上擴散係數又會影響預測曲線的形狀,所以相關影響因素與係數估計是決定整個擴散模式預測準確度的主要關鍵。因此本研究之目的是結合產品價格與屬性擴散係數,建立一個運用類神經網路估計新產品擴散模式係數的方法,期望能提供一個適用於企業的新產品擴散模式。本研究引用液晶顯示器作為實證,以產品價格與屬性擴散係數為輸入變數,透過倒傳遞網路的學習能力估計出擴散係數,並與另外二種係數估計方法:以產品屬性為基礎之係數估計方法與非線性最小平方法進行比較分析,並將此三種方法所估計之係數代入 Bass 擴散模式中進行產品銷售量的預測。最後經由實證分析的結果,本研究歸納出以下兩點結論:(1)在預測能力方面,本研究所建構之模式明顯優於以產品屬性為基礎之係數估計方法,並且略優於非線性最小平方法。(2)本研究所建構之模式可以適用於企業的新產品擴散係數估計與銷售量預測。

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    目錄 摘要……………………………………………………………………………………………i 誌謝………………………………………………………………………………………… ii 目錄…………………………………………………………………………………………iii 表目錄…………………………………………………………………………………………v 圖目錄……………………………………………………………………………………… vi 第一章 緒論…………………………………………………………………………… 1 第一節 研究動機…………………………………………………………… 1 第二節 研究目的…………………………………………………………… 2 第三節 研究範圍與限制…………………………………………………… 3 第四節 研究方法與架構…………………………………………………… 3 第五節 論文大綱…………………………………………………………… 5 第二章 文獻探討……………………………………………………………………… 6 第一節 創新擴散理論……………………………………………………… 6 第二節 Bass擴散模式與係數估計程序…………………………………… 9 第三節 Bass擴散模式之延伸與修正………………………………………15 第四節 類神經網路…………………………………………………………20 第五節 小結…………………………………………………………………25 第三章 研究方法………………………………………………………………………26 第一節 基本假設與輸出入變數……………………………………………26 第二節 網路建構與資料正規化……………………………………………30 第三節 網路設定與訓練測試………………………………………………34 第四節 小結…………………………………………………………………37 第四章 實證分析………………………………………………………………………38 第一節 非線性最小平方法…………………………………………………38 第二節 以產品屬性為基礎之模式(模式一)……………………………40 第三節 結合產品價格與屬性擴散係數之模式(模式二)………………43 第四節 模式比較……………………………………………………………47 第五節 小結…………………………………………………………………48 第五章 結論與建議……………………………………………………………………49 第一節 結論…………………………………………………………………49 第二節 建議與未來研究方向………………………………………………50 參考文獻…………………………………………………………………………………… 52 中文部分………………………………………………………………………… 52 英文部分………………………………………………………………………… 52 簡歷………………………………………………………………………………………… 57

    中文部分
    葉怡成,2003年,類神經網路模式應用與實作(八版),儒林圖書有限公司
    莊孟絃,2003年,估計新產品擴散模式係數之研究,國立成功大學工業管理科學系碩士班碩
    士論文

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