摘要: 在投資領域中,有些投資者認為技術分析線圖上若出現一星二陽的K棒組合,代表這支股票未來會有一波多頭的走勢。在這篇文章中,將以GOOGLE公司的歷史股價資料,示範如何以R軟體來回測驗證這個交易想法。若回測的交易日出現一星二陽K棒組合,則以當日的收盤價進場,出場則是在收盤價跌破20日移動平均線時,以跌破當日的收盤價出場。

摘要: There is a always a need for data modelers, however, the job description of this career field varies, depending on the needs of the organization. For example, a data modeler working for a startup would coordinate with data scientists and data architects in designing a new system — one that included the goals of the organization, and the steps needed to achieve them, within its architectural design. This “model” represents the organization and promotes understanding through the use of core data, such as attributes, entities, and relationships regarding customers, staff, products, and other factors.

摘要: The journey of advanced analytics has been a long in development, with many hurdles along the way. Some of the most complicated aspects of data analytics that still remain today are data gathering technologies, data cleansing methods, and skill support for advanced analytics. It has taken years to come to the automated age of business analytics, when even mainstream business users without much technical knowledge are able to use AI or machine learning-enabled self-service analytics.容

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