如何编写具有多个输出的嵌套 IF 语句? [英] How to write a nested IF statement that has multiple outputs?

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问题描述

上下文:

Column 1   Column 2   Column 3    Column 4  (IF statement result column)
a,b                   2.99        $2.99     1/2 mismatch     
a          a,b        3.49        $2.89     Column 1/2 mismatch,3/4 mismatch  
b          a          1.99        $2.99     Column 1/2 mismatch,3/4 mismatch
a,b        a,b        3.49        $3.49

所以只有在立场和完全匹配(我有许多列具有可比较的值,我需要遵循这种模式).有没有办法做到这一点?

so only in stance of and exact match (I have many columns that have comparable values that I need to follow this pattern). Is there a way to do this?

推荐答案

我认为你不需要嵌套 IF 语句,只需要 CONCATATENATEX:

I don't think you need nested IF statements, just CONCATENATEX:

Result =
VAR ColList = { [Column1], [Column2], <...more columns if needed..> }
RETURN
    CONCATENATEX ( FILTER ( ColList, LEN ( [Value] ) > 0 ), [Value], "," )

<小时>

上面的基本方法仍然可以使用,但您需要修改 ColList 中的内容.


The basic approach above can still be used but you'll want to modify what is in your ColList.

Result =
VAR Pair12  = IF ( [Column 1] <> [Column 2], "1/2 mismatch" )
VAR Pair34  = IF ( [Column 3] <> [Column 4], "3/4 mismatch" )
VAR ColList = FILTER ( { Pair12, Pair34 }, LEN ( [Value] ) > 0 )
RETURN
    "Column " & CONCATENATEX ( ColList, [Value], "," )

或者重构一下以移除变量:

Or refactored a bit to remove variables:

Result =
"Column "
    & CONCATENATEX (
        FILTER (
            {
                IF ( [Column 1] <> [Column 2], "1/2 mismatch" ),
                IF ( [Column 3] <> [Column 4], "3/4 mismatch" )
            },
            LEN ( [Value] ) > 0
        ),
        [Value],
        ","
    )

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