若要直接在 Tableau 中轉換值,可以使用導出欄位。但是,為了使 Tableau 能夠執行轉換,資料必須採用位於單獨欄位中的度、分和秒格式。您可以使用兩種類型的公式,附加的工作簿中詳細介紹了這兩種類型的公式。
在導出欄位中,您可以使用一組類似的公式將資料轉換為十進制度數:
在下面的例子中,我們將轉換印度幾個城市的值。一般來說,印度的十進制度是正數:緯度:20.59°N,經度:78.96°E。
在導出欄位中,您可以使用一組類似的公式將資料轉換為十進制度數:
在下面的例子中,我們將轉換愛爾蘭幾個城市的值。一般來說,愛爾蘭包含負十進制度數:緯度:53.14° N,經度:-7.69° E。
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