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Table Data comparision in Excel

Posted on 2011-09-03
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Last Modified: 2012-05-12
Table I
==========
SL_NO      Phases
=========   ========
 6066      Phase I
6014      Phase II
6013      Phase III
6017      Phase IV
6016      Phase V



Table II
==========
SL_No      CALL_IN_NUMBER
=====          ================
1      606628347702
2      60177278738
3      601374244
4      60142444
5      60166621344
6      6066923847874



I am expecting that do a look up of Table II in Table in case pattern matches ex 1 row in table II matches with 1st row of table one hence Column C in table two to be filled with Phase I.
similarly 4th Row in Table II matches with row II in table I.


SL_No      CALL_IN_NUMBER      Col C
1      606628347702      Phase I
2      60177278738      Phase IV
3      601374244                            Phase III
4      60142444                            Phase II
5      60166621344      Phase V
6      6066923847874      Phase I



VLOOKUP.xlsx
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Question by:ratna1234
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LVL 41

Expert Comment

by:dlmille
ID: 36479521
This looks like a straight-forward VLOOKUP, like:

=VLOOKUP(VALUE(LEFT(H2,4)),$A$2:$B$6,2,0)

Note the convert with VALUE for number comparison of the first 4 characters in your call-in number.  The rest is standard vlookup - the table array, and get the 2nd column, 0 for exact match.

See attached.

Enjoy!

Dave
VLOOKUP.xlsx
0
 

Author Comment

by:ratna1234
ID: 36479540
Dave ,

 Thanks for your suggestion. I also have more than 4 digits for look up in the same lookup table. Can you tell me how do we handle it.


VLOOKUP.xlsx
0
 
LVL 41

Expert Comment

by:dlmille
ID: 36479545
can you provide a visible sample of your codes with > 4 digits in that lookup table.  It helps to have examples when discussing pattern matching.  You've not given more information on how to do the match, except an example output which I matched.  To take it beyond this, you need to provide for information in the form of data/explanation.

Happy to help - your information/suggestions on the type of data you'll be facing will help me help you!

Dave
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LVL 41

Accepted Solution

by:
dlmille earned 500 total points
ID: 36479561
If you have no idea how the data in your lookup value will be - just something you might recognize as a human, you might need something more (you seem to be alluding to that, but with no example data).

If you need to look at something like pattern matching, we can go there.  But I need data/information.

If you want to use fuzzy matching, this might be the trick:
Source: http://www.mrexcel.com/forum/showthread.php?t=195635&page=5

Just paste this code in a public module and use the functions.  I've done this already, with the attached spreadsheet.
'Source:http://www.mrexcel.com/forum/showthread.php?t=195635&page=5

Option Explicit

Type RankInfo
    Offset As Integer
    Percentage As Single
End Type

Dim mudRankData() As RankInfo
Dim miBestMatchPtr As Integer

Dim TopMatch         As Integer
Dim strCompare       As String


Function FuzzyPercent(ByVal String1 As String, _
                      ByVal String2 As String, _
                      Optional Algorithm As Integer = 3, _
                      Optional Normalised As Boolean = False) As Single
'*************************************
'** Return a % match on two strings **
'*************************************
Dim intLen1 As Integer, intLen2 As Integer
Dim intCurLen As Integer
Dim intTo As Integer
Dim intPos As Integer
Dim intPtr As Integer
Dim intScore As Integer
Dim intTotScore As Integer
Dim intStartPos As Integer
Dim sngScore As Single
Dim strWork As String

'-------------------------------------------------------
'-- If strings havent been normalised, normalise them --
'-------------------------------------------------------
If Normalised = False Then
    String1 = LCase$(Application.Trim(String1))
    String2 = LCase$(Application.Trim(String2))
End If

'----------------------------------------------
'-- Give 100% match if strings exactly equal --
'----------------------------------------------
If String1 = String2 Then
    FuzzyPercent = 1
    Exit Function
End If

intLen1 = Len(String1)
intLen2 = Len(String2)

If intLen1 = 0 Or intLen2 = 0 Then
    FuzzyPercent = 0
    Exit Function
End If

'----------------------------------------
'-- Give 0% match if string length < 2 --
'----------------------------------------
If intLen1 < 2 Then
    FuzzyPercent = 0
    Exit Function
End If

intTotScore = 0                   'initialise total possible score
intScore = 0                      'initialise current score

'--------------------------------------------------------
'-- If Algorithm = 1 or 3, Search for single characters --
'--------------------------------------------------------
If (Algorithm And 1) <> 0 Then
    If intLen1 < intLen2 Then
        FuzzyAlg1 String1, String2, intScore, intTotScore
    Else
        FuzzyAlg1 String2, String1, intScore, intTotScore
    End If
End If

'-----------------------------------------------------------
'-- If Algorithm = 2 or 3, Search for pairs, triplets etc. --
'-----------------------------------------------------------
If (Algorithm And 2) <> 0 Then
    If intLen1 < intLen2 Then
        FuzzyAlg2 String1, String2, intScore, intTotScore
    Else
        FuzzyAlg2 String2, String1, intScore, intTotScore
    End If
End If

'------------------------------------------------------
'-- If Algorithm = 4,5,6,7, use Dan Ostander's code. --
'------------------------------------------------------
If (Algorithm And 4) <> 0 Then
    If intLen1 < intLen2 Then
        sngScore = FuzzyAlg4(String1, String1)
    Else
        sngScore = FuzzyAlg4(String2, String1)
    End If
    intScore = intScore + (sngScore * 100)
    intTotScore = intTotScore + 100
End If

FuzzyPercent = intScore / intTotScore

End Function

Private Sub FuzzyAlg1(ByVal String1 As String, _
                      ByVal String2 As String, _
                      ByRef Score As Integer, _
                      ByRef TotScore As Integer)
Dim intLen1 As Integer, intPos As Integer, intPtr As Integer, intStartPos As Integer

intLen1 = Len(String1)
TotScore = TotScore + intLen1              'update total possible score
intPos = 0
For intPtr = 1 To intLen1
    intStartPos = intPos + 1
    intPos = InStr(intStartPos, String2, Mid$(String1, intPtr, 1))
    If intPos > 0 Then
        If intPos > intStartPos + 3 Then     'No match if char is > 3 bytes away
            intPos = intStartPos
        Else
            Score = Score + 1          'Update current score
        End If
    Else
        intPos = intStartPos
    End If
Next intPtr
End Sub
Private Sub FuzzyAlg2(ByVal String1 As String, _
                        ByVal String2 As String, _
                        ByRef Score As Integer, _
                        ByRef TotScore As Integer)
Dim intCurLen As Integer, intLen1 As Integer, intTo As Integer, intPtr As Integer, intPos As Integer
Dim strWork As String

intLen1 = Len(String1)
For intCurLen = 1 To intLen1
    strWork = String2                          'Get a copy of String2
    intTo = intLen1 - intCurLen + 1
    TotScore = TotScore + Int(intLen1 / intCurLen)  'Update total possible score
    For intPtr = 1 To intTo Step intCurLen
        intPos = InStr(strWork, Mid$(String1, intPtr, intCurLen))
        If intPos > 0 Then
            Mid$(strWork, intPos, intCurLen) = String$(intCurLen, &H0) 'corrupt found string
            Score = Score + 1     'Update current score
        End If
    Next intPtr
Next intCurLen

End Sub
Private Function FuzzyAlg4(strIn1 As String, strIn2 As String) As Single

Dim L1               As Integer
Dim In1Mask(1 To 24) As Long     'strIn1 is 24 characters max
Dim iCh              As Integer
Dim N                As Long
Dim strTry           As String
Dim strTest          As String

TopMatch = 0
L1 = Len(strIn1)
strTest = UCase(strIn1)
strCompare = UCase(strIn2)
For iCh = 1 To L1
    In1Mask(iCh) = 2 ^ iCh
Next iCh      'Loop thru all ordered combinations of characters in strIn1
For N = 2 ^ (L1 + 1) - 1 To 1 Step -1
    strTry = ""
    For iCh = 1 To L1
        If In1Mask(iCh) And N Then
            strTry = strTry & Mid(strTest, iCh, 1)
        End If
    Next iCh
    If Len(strTry) > TopMatch Then FuzzyAlg4Test strTry
Next N
FuzzyAlg4 = TopMatch / CSng(L1)
End Function
Sub FuzzyAlg4Test(strIn As String)

Dim l          As Integer
Dim strTry   As String
Dim iCh        As Integer

l = Len(strIn)
If l <= TopMatch Then Exit Sub
strTry = "*"
For iCh = 1 To l
    strTry = strTry & Mid(strIn, iCh, 1) & "*"
Next iCh
If strCompare Like strTry Then
    If l > TopMatch Then TopMatch = l
End If
End Sub

Function FuzzyVLookup(ByVal LookupValue As String, _
                      ByVal TableArray As Range, _
                      ByVal IndexNum As Integer, _
                      Optional NFPercent As Single = 0.05, _
                      Optional Rank As Integer = 1, _
                      Optional Algorithm As Integer = 3, _
                      Optional AdditionalCols As Integer = 0, _
                      Optional LookupColOffset As Integer = 0, _
                      Optional GroupColOffset As Integer = 0, _
                      Optional GroupValue As Variant = "") As Variant
'********************************************************************************
'** Function to Fuzzy match LookupValue with entries in                        **
'** column 1 of table specified by TableArray.                                 **
'** TableArray must specify the top left cell of the range to be searched      **
'** The function stops scanning the table when an empty cell in column 1       **
'** is found.                                                                  **
'** For each entry in column 1 of the table, FuzzyPercent is called to match   **
'** LookupValue with the Table entry.                                          **
'** 'Rank' is an optional parameter which may take any value > 0               **
'**        (default 1) and causes the function to return the 'nth' best        **
'**         match (where 'n' is defined by 'Rank' parameter)                   **
'** If the 'Rank' match percentage < NFPercent (Default 5%), #N/A is returned. **
'** IndexNum is the column number of the entry in TableArray required to be    **
'** returned, as follows:                                                      **
'** If IndexNum > 0 and the 'Rank' percentage match is >= NFPercent            **
'**                 (Default 5%) the column entry indicated by IndexNum is     **
'**                 returned.                                                  **
'** if IndexNum = 0 and the 'Rank' percentage match is >= NFPercent            **
'**                 (Default 5%) the offset row (starting at 1) is returned.   **
'**                 This value can be used directly in the 'Index' function.   **
'**                                                                            **
'** Algorithm can take one of the following values:                            **
'** Algorithm = 1:                                                             **
'**     This algorithm is best suited for matching mis-spellings.              **
'**     For each character in 'String1', a search is performed on 'String2'.   **
'**     The search is deemed successful if a character is found in 'String2'   **
'**     within 3 characters of the current position.                           **
'**     A score is kept of matching characters which is returned as a          **
'**     percentage of the total possible score.                                **
'** Algorithm = 2:                                                             **
'**     This algorithm is best suited for matching sentences, or               **
'**     'firstname lastname' compared with 'lastname firstname' combinations   **
'**     A count of matching pairs, triplets, quadruplets etc. in 'String1' and **
'**     'String2' is returned as a percentage of the total possible.           **
'** Algorithm = 3: Both Algorithms 1 and 2 are performed.                      **
'** Algorithm = 4: Dan Ostrander's algorithm                                   **
'**                                                                            **
'** The following parameters allow matching by group, and only those values    **
'** which are in the group specified will be considered for matching.          **                  **
'** GroupColOffset                                                             **
'** This parameter specifies the offset column which contains the group values **
'** To trigger group matching, this must be a non-zero integer                 **
'** GroupValue                                                                 **
'** This parameter specifies the Group to be considered for matching           **
'********************************************************************************
Dim bWanted As Boolean
Dim rCur As Range
Dim rSearchRange As Range

Dim sngMinPercent As Single

Dim lEndRow As Long

Dim vCurValue As Variant

'--------------------------------------------------------------
'--    Validation                                            --
'--------------------------------------------------------------

LookupValue = LCase$(Application.Trim(LookupValue))

If IsMissing(NFPercent) Then
    sngMinPercent = 0.05
Else
    If (NFPercent <= 0) Or (NFPercent > 1) Then
        FuzzyVLookup = "*** 'NFPercent' must be a percentage > zero ***"
        Exit Function
    End If
    sngMinPercent = NFPercent
End If

If Rank < 1 Then
    FuzzyVLookup = "*** 'Rank' must be an integer > 0 ***"
    Exit Function
End If

ReDim mudRankData(1 To Rank)

lEndRow = TableArray.Rows.Count
If VarType(TableArray.Cells(lEndRow, 1).Value) = vbEmpty Then
    lEndRow = TableArray.Cells(lEndRow, 1).End(xlUp).Row
End If
Set rSearchRange = Range(TableArray.Cells(1, 1), TableArray.Cells(lEndRow, 1))

'---------------
'-- Main loop --
'---------------

If Len(GroupValue) <> 0 Then
    With rSearchRange.Offset(, GroupColOffset)
        For Each rCur In rSearchRange.Offset(, GroupColOffset)
            vCurValue = rCur.Value
            If VarType(vCurValue) = vbString Then
                bWanted = LCase$(CStr(vCurValue)) = LCase$(CStr(GroupValue))
            Else
                bWanted = Val(vCurValue) = Val(GroupValue)
            End If
            If bWanted Then
                FuzzyVlookupMain LookupValue:=LookupValue, _
                                TableArray:=rCur.Offset(, GroupColOffset * -1), _
                                IndexNum:=IndexNum, _
                                NFPercent:=NFPercent, _
                                Rank:=Rank, _
                                Algorithm:=Algorithm, _
                                AdditionalCols:=AdditionalCols, _
                                LookupColOffset:=LookupColOffset
            End If
        Next rCur
    End With
Else
    For Each rCur In rSearchRange
        FuzzyVlookupMain LookupValue:=LookupValue, _
                        TableArray:=rCur, _
                        IndexNum:=IndexNum, _
                        NFPercent:=NFPercent, _
                        Rank:=Rank, _
                        Algorithm:=Algorithm, _
                        AdditionalCols:=AdditionalCols, _
                        LookupColOffset:=LookupColOffset
    Next rCur
End If

If mudRankData(Rank).Percentage < sngMinPercent Then
    '--------------------------------------
    '-- Return '#N/A' if below NFPercent --
    '--------------------------------------
    FuzzyVLookup = CVErr(xlErrNA)
Else
    miBestMatchPtr = mudRankData(Rank).Offset - TableArray.Cells(1, 1).Row + 1
    If IndexNum > 0 Then
        '-----------------------------------
        '-- Return column entry specified --
        '-----------------------------------
        FuzzyVLookup = TableArray.Cells(miBestMatchPtr, IndexNum)
    Else
        '-----------------------
        '-- Return offset row --
        '-----------------------
        FuzzyVLookup = miBestMatchPtr
    End If
End If
End Function
Private Sub FuzzyVlookupMain(ByVal LookupValue As String, _
                                    ByVal TableArray As Range, _
                                    ByVal IndexNum As Integer, _
                                    Optional NFPercent As Single = 0.05, _
                                    Optional Rank As Integer = 1, _
                                    Optional Algorithm As Integer = 3, _
                                    Optional AdditionalCols As Integer = 0, _
                                    Optional LookupColOffset As Integer = 0)
Dim I As Integer
Dim intRankPtr As Integer
Dim intRankPtr1 As Integer
Dim strListString As String
Dim sngCurPercent As Single
Dim sngMinPercent As Single
Dim vCurValue As Variant

vCurValue = ""
For I = 0 To AdditionalCols
    vCurValue = vCurValue & CStr(TableArray.Offset(0, I + LookupColOffset).Value)
Next I
If VarType(vCurValue) = vbString Then
    strListString = LCase$(Application.Trim(vCurValue))
    
    '------------------------------------------------
    '-- Fuzzy match strings & get percentage match --
    '------------------------------------------------
    sngCurPercent = FuzzyPercent(String1:=LookupValue, _
                                 String2:=strListString, _
                                 Algorithm:=Algorithm, _
                                 Normalised:=True)
    
    If sngCurPercent >= sngMinPercent Then
        '---------------------------
        '-- Store in ranked array --
        '---------------------------
        For intRankPtr = 1 To Rank
            If sngCurPercent > mudRankData(intRankPtr).Percentage Then
                For intRankPtr1 = Rank To intRankPtr + 1 Step -1
                    With mudRankData(intRankPtr1)
                        .Offset = mudRankData(intRankPtr1 - 1).Offset
                        .Percentage = mudRankData(intRankPtr1 - 1).Percentage
                    End With
                Next intRankPtr1
                With mudRankData(intRankPtr)
                    .Offset = TableArray.Row
                    .Percentage = sngCurPercent
                End With
                Exit Sub
            End If
        Next intRankPtr
    End If
    
End If
End Sub
Function FuzzyHLookup(ByVal LookupValue As String, _
                      ByVal TableArray As Range, _
                      ByVal IndexNum As Integer, _
                      Optional NFPercent As Single = 0.05, _
                      Optional Rank As Integer = 1, _
                      Optional Algorithm As Integer = 3) As Variant
'********************************************************************************
'** Function to Fuzzy match LookupValue with entries in                        **
'** row 1 of table specified by TableArray.                                    **
'** TableArray must specify the top left cell of the range to be searched      **
'** The function stops scanning the table when an empty cell in row 1          **
'** is found.                                                                  **
'** For each entry in row 1 of the table, FuzzyPercent is called to match      **
'** LookupValue with the Table entry.                                          **
'** 'Rank' is an optional parameter which may take any value > 0               **
'**        (default 1) and causes the function to return the 'nth' best        **
'**         match (where 'n' is defined by 'Rank' parameter)                   **
'** If the 'Rank' match percentage < NFPercent (Default 5%), #N/A is returned. **
'** IndexNum is the row number of the entry in TableArray required to be       **
'** returned, as follows:                                                      **
'** If IndexNum > 0 and the 'Rank' percentage match is >= NFPercent            **
'**                 (Default 5%) the row entry indicated by IndexNum is        **
'**                 returned.                                                  **
'** if IndexNum = 0 and the 'Rank' percentage match is >= NFPercent            **
'**                 (Default 5%) the offset col (starting at 0) is returned.   **
'**                 This value can be used directly in the 'OffSet' function.  **
'**                                                                            **
'** Algorithm can take one of the following values:                            **
'** Algorithm = 1:                                                             **
'**     For each character in 'String1', a search is performed on 'String2'.   **
'**     The search is deemed successful if a character is found in 'String2'   **
'**     within 3 characters of the current position.                           **
'**     A score is kept of matching characters which is returned as a          **
'**     percentage of the total possible score.                                **
'** Algorithm = 2:                                                             **
'**     A count of matching pairs, triplets, quadruplets etc. in 'String1' and **
'**     'String2' is returned as a percentage of the total possible.           **
'** Algorithm = 3: Both Algorithms 1 and 2 are performed.                      **
'********************************************************************************
Dim R As Range

Dim strListString As String
Dim strWork As String

Dim sngMinPercent As Single
Dim sngWork As Single
Dim sngCurPercent  As Single

Dim miBestMatchPtr As Integer
Dim intPtr As Integer
Dim intRankPtr As Integer
Dim intRankPtr1 As Integer

Dim iEndCol As Integer

Dim vCurValue As Variant
'--------------------------------------------------------------
'--    Validation                                            --
'--------------------------------------------------------------
LookupValue = LCase$(Application.Trim(LookupValue))

If IsMissing(NFPercent) Then
    sngMinPercent = 0.05
Else
    If (NFPercent <= 0) Or (NFPercent > 1) Then
        FuzzyHLookup = "*** 'NFPercent' must be a percentage > zero ***"
        Exit Function
    End If
    sngMinPercent = NFPercent
End If

If Rank < 1 Then
    FuzzyHLookup = "*** 'Rank' must be an integer > 0 ***"
    Exit Function
End If

ReDim mudRankData(1 To Rank)
'**************************
iEndCol = TableArray.Columns.Count
If VarType(TableArray.Cells(1, iEndCol).Value) = vbEmpty Then
    iEndCol = TableArray.Cells(1, iEndCol).End(xlToLeft).Column
End If

'---------------
'-- Main loop --
'---------------
For Each R In Range(TableArray.Cells(1, 1), TableArray.Cells(1, iEndCol))
    vCurValue = R.Value
    If VarType(vCurValue) = vbString Then
        strListString = LCase$(Application.Trim(vCurValue))
        
        '------------------------------------------------
        '-- Fuzzy match strings & get percentage match --
        '------------------------------------------------
        sngCurPercent = FuzzyPercent(String1:=LookupValue, _
                                     String2:=strListString, _
                                     Algorithm:=Algorithm, _
                                     Normalised:=True)
        
        If sngCurPercent >= sngMinPercent Then
            '---------------------------
            '-- Store in ranked array --
            '---------------------------
            For intRankPtr = 1 To Rank
                If sngCurPercent > mudRankData(intRankPtr).Percentage Then
                    For intRankPtr1 = Rank To intRankPtr + 1 Step -1
                        With mudRankData(intRankPtr1)
                            .Offset = mudRankData(intRankPtr1 - 1).Offset
                            .Percentage = mudRankData(intRankPtr1 - 1).Percentage
                        End With
                    Next intRankPtr1
                    With mudRankData(intRankPtr)
                        .Offset = R.Column
                        .Percentage = sngCurPercent
                    End With
                    Exit For
                End If
            Next intRankPtr
        End If
        
    End If
Next R

If mudRankData(Rank).Percentage < sngMinPercent Then
    '--------------------------------------
    '-- Return '#N/A' if below NFPercent --
    '--------------------------------------
    FuzzyHLookup = CVErr(xlErrNA)
Else
    miBestMatchPtr = mudRankData(Rank).Offset - TableArray.Cells(1, 1).Column + 1
    If IndexNum > 0 Then
        '-----------------------------------
        '-- Return row entry specified --
        '-----------------------------------
        FuzzyHLookup = TableArray.Cells(IndexNum, miBestMatchPtr)
    Else
        '-----------------------
        '-- Return offset col --
        '-----------------------
        FuzzyHLookup = miBestMatchPtr
    End If
End If
End Function

Open in new window

Using fuzzylookup - just like vlookup
=fuzzyvlookup(H2,$A$2:$B$6,2,0.8)
first parameter is the lookup value
second parameter is the vlookup table
third is the index (just like vlookup)
and last - percent - I set to 80% - means it’s a good score to match with


It works with this sample, of course, now you can try it with other data.

Let me know if this helps!

See attached!

Enjoy!

Dave
VLOOKUP.xlsm
0
 

Author Closing Comment

by:ratna1234
ID: 36962285
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