Fragmenting your data across many Excel tabs is a common habit that silently kills file performance, introduces hidden errors ...

之前在给北京一家药企培训时，有伙伴问如何计算不重复的个数。这是一个有代表性的问题，我整理出来以下四种方法，分别是函数法、透视表法、Power Query法和Power Pivot法，看你能不能用得上？ 案例数据 这是公司的部分销售订单表，主要涉及省份 ...

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Microsoft Corp. engages in the development and support of software, services, devices, and solutions. It operates through the following segments: Productivity and Business Processes, Intelligent Cloud ...

Understanding, organizing, and validating data directly affects the accuracy of stories. New tools make cleaning accessible ...

Discover 15 inspiring alumni from lesser-known HBCUs as they share how their campuses shaped their lifelong commitment to ...