Google表格中带有数组公式的滚动计数 [英] Rolling count with array formula in Google Sheets
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问题描述
我有下面的数据集.Col1是给定的数据,而Col2是Col1的前5行(含)的滚动计数.
I have the dataset below. Col1 is given data and Col2 is the rolling count of the previous 5 rows of Col1 (inclusive).
Date Col1 Col2
01/04/20 2 1
02/04/20 1 2
03/04/20 4 3
04/04/20 3
05/04/20 3
06/04/20 5 3
07/04/20 2 3
08/04/20 2
09/04/20 2
10/04/20 1 3
11/04/20 2
12/04/20 1
13/04/20 1
14/04/20 1
15/04/20 1 1
有没有一种方法可以使用arrayformula来执行此操作,而不是将计数公式输入到Col2发生故障的每个单元格中?
Is there a way to use arrayformula to do this rather than inputting a count formula into every cell in Col2 going down?
推荐答案
您可以在行上使用带有条件的Countifs:
You can use Countifs with a condition on the rows:
=ArrayFormula(filter(countifs(B2:B,">0",row(B2:B),"<="&row(B2:B),row(B2:B),">"&row(B2:B)-5),A2:A<>""))
假设数字为正
要包含任何数字,可以使用:
To include any number, you can use:
=ArrayFormula(filter(countifs(isnumber(B2:B),true,row(B2:B),"<="&row(B2:B),row(B2:B),">"&row(B2:B)-5),A2:A<>""))
如果您希望将与将来日期相对应的行显示为空白,则可以添加If语句:
If you wanted to show rows corresponding to future dates as blanks, you could add an If statement:
=ArrayFormula(filter(if(A2:A>today(),"",countifs(isnumber(B2:B),true,row(B2:B),"<="&row(B2:B),row(B2:B),">"&row(B2:B)-5)),A2:A<>""))
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