Excel樞紐分析資料視覺化:09.資料清理轉換-清除空白資料
Synopsis
空值絕對有意義，未測量、0、不知道、特殊意義，這些資訊一定影響分析結果。資料清理清除空白資料, Excel樞紐分析資料視覺 ...
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