两个如何计算excel中两个值之间的差异，是否有一个公式来做
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感谢。
答案 0 :(得分：2)
也许您正在寻找的是Levenshtein距离 - 两个单词之间的Levenshtein距离是将一个单词更改为另一个单词所需的最小单字符编辑数（即插入，删除或替换）< / em>的
以下UDF可以计算出来，但我没有对它进行过广泛的测试。我发现它的URL现在已经不存在了。它确实为您提供的数字字符串提供了答案。
Option Explicit
'********************************
'*** Compute Levenshtein Distance
'********************************
Public Function LD(ByVal s As String, ByVal t As String) As Long
Dim d() As Long ' matrix
Dim m As Long ' length of t
Dim n As Long ' length of s
Dim i As Long ' iterates through s
Dim j As Long ' iterates through t
Dim s_i As String ' ith character of s
Dim t_j As String ' jth character of t
Dim cost As Long ' cost
' Step 1
n = Len(s)
m = Len(t)
If n = 0 Then
LD = m
Exit Function
End If
If m = 0 Then
LD = n
Exit Function
End If
ReDim d(0 To n, 0 To m) As Long
' Step 2
For i = 0 To n
d(i, 0) = i
Next i
For j = 0 To m
d(0, j) = j
Next j
' Step 3
For i = 1 To n
s_i = Mid$(s, i, 1)
' Step 4
For j = 1 To m
t_j = Mid$(t, j, 1)
' Step 5
If s_i = t_j Then
cost = 0
Else
cost = 1
End If
' Step 6
d(i, j) = Minimum(d(i - 1, j) + 1, d(i, j - 1) + 1, d(i - 1, j - 1) + cost)
Next j
Next i
' Step 7
LD = d(n, m)
Erase d
End Function
'*******************************
'*** Get minimum of three values
'*******************************
Private Function Minimum(ByVal a As Long, _
ByVal b As Long, _
ByVal c As Long) As Long
Dim mi As Long
mi = a
If b < mi Then
mi = b
End If
If c < mi Then
mi = c
End If
Minimum = mi
End Function
答案 1 :(得分：1)