CountIf 指令

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CountIf[ <Condition>, <List> ]
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CountIf[Condition, List]
Counts the number of elements in the list satisfying the condition.
範例:
  • CountIf[x < 3, {1, 2, 3, 4, 5}] gives you the number 2.
  • CountIf[x < 3, A1:A10], where A1:A10 is a range of cells in the spreadsheet, counts all cells whose values are less than 3.
備註: For list of numbers arbitrary condition may be used. For list of other objects one can use only conditions of the form x==constant or x!=constant.
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