預先採購 的英文怎麼說
中文拼音 [yùxiāncǎigòu]
預先採購
英文
advance buying-
First, the author holds that anti - takeover is the act target corporation takes for the purpose of preventing the shift of control over the corporation itself to the aggressor. then the author analyses the subject, object, aim, and strategy of anti - takeover
在本部分，筆者首先將反收購定義為「目標公司為防止其控制權轉移而採取的旨在預防或阻止收購者收購本公司的行為」 ，並進而從反收購的主體、客體、目的、策略等方面進行了分析。Following the two crows data mining process model, the product data, transaction data and customer ' s demographic data are accumulated, such data is preprocessed by the primary component analysis method which can low the connection of variants and reduce the number of variants. one model is built by the improved dynamic cluster method. the quality of the model ' s result will be improved with deleted the outlier data
參照twocrows數據挖掘過程模型，首先收集客戶購買產品的類型、交易、屬性等數據；然後採用主成分分析法預處理這些數據，以降低數據之間的相關性和減少變量個數；接著採用改進的動態聚類方法建模，在聚類過程中剔除異常點，改善聚類的質量，最終得到一個客戶分片的模型，並對該模型作了比較詳盡的解釋。
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