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Excel中COUNTIF函數(shù)的使用方法
該函數(shù)的語法規(guī)則如下：
countif(range，criteria)
參數(shù)：range 要計算其中非空單元格數(shù)目的區(qū)域
參數(shù)：criteria 以數(shù)字、表達式或文本形式定義的條件
一、求各種類型單元格的個數(shù)
(1) 求真空單元格個數(shù):=COUNTIF(數(shù)據(jù)區(qū),"=")
(2) 非真空單元格個數(shù): =COUNTIF(數(shù)據(jù)區(qū),"<>") 相當于counta()函數(shù)
(3) 文本型單元格個數(shù): =COUNTIF(數(shù)據(jù)區(qū),"*") 假空單元格也是文本型單元格
(4) 區(qū)域內(nèi)所有單元格個數(shù): =COUNTIF(數(shù)據(jù)區(qū),"<>"""),如果數(shù)據(jù)區(qū)內(nèi)有",該公式不成立.
(5) 邏輯值為TRUE的單元格數(shù)量 =COUNTIF(數(shù)據(jù)區(qū),TRUE)
二、求大于或小于某個值的單元格個數(shù)
(1) 大于50=COUNTIF(數(shù)據(jù)區(qū),">50")
(2) 等于50=COUNTIF(數(shù)據(jù)區(qū),50)
(3) 小于50 =COUNTIF(數(shù)據(jù)區(qū),"<50 50="COUNTIF(數(shù)據(jù)區(qū),"">=50")
(5) 小于或等于50 =COUNTIF(數(shù)據(jù)區(qū),"<=50>"&$E$5)
(7) 等于E5單元格的值 =COUNTIF(數(shù)據(jù)區(qū),$E$5)
(8) 小于E5單元格的值 =COUNTIF(數(shù)據(jù)區(qū),"<"&$E$5)
(9) 大于或等于E5單元格的值 =COUNTIF(數(shù)據(jù)區(qū),">="&$E$5)
(10) 小于或等于E5單元格的值 =COUNTIF(數(shù)據(jù)區(qū),"<= 15="SUM(COUNTIF(數(shù)據(jù)區(qū),"" b="COUNTIF(數(shù)據(jù)區(qū),"?B*")"&{10,15})*{1,-1})
(2)>=10并且<15 =SUM(COUNTIF(數(shù)據(jù)區(qū),">="&{10,-1})
(3)>=10并且<=15 =SUM(COUNTIF(數(shù)據(jù)區(qū),{">=10",">15"})*{1,-1})
(4)>10并且<15 =SUM(COUNTIF(數(shù)據(jù)區(qū),{">10",">=15"})*{1,-1})或者=SUM(COUNTIF(數(shù)據(jù)區(qū),">=15"})-樣本數(shù)
注：一般多條件計數(shù)使用SUMPRODUCT函數(shù)，以上方法較少使用，僅供參考。
補充：
三個區(qū)域計數(shù)： 三個區(qū)域中>=60 =SUM(COUNTIF(INDIRECT({"a46:a48","b48:b50","c47:c48"}),">=60"))
補充：(集合運算法)
統(tǒng)計范圍，比如5<= x <=7
可以分解為(x>=5)-(x>7)
寫為函數(shù)：
=countif(range,">=5")-countif(range,">7")
這樣就可以利用集合的運算知識了。同樣實現(xiàn)了上面兩個條件求個數(shù)相同的目的，并且更簡單易于理解。
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