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Matching Two Columns with Many rows
Hello all,
I have never used this posting system before and I considered myself an advanced Excel user before reading some of the posts and their answers on this site. I have never used VBA before or any Macros, so please keep that in mind if answering. Question: I have two columns of data (A and B). Each has close to 1000 rows. I need to know which values appear in both columns. That's most important. I would also like to know which values are exclusively in Column A or B, but that would be secondary. Thank you in advance. |
#2
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Matching Two Columns with Many rows
Hi Srbanksphd
See Chip Pearson's duplicates pages for a variety of techniques: http://www.cpearson.com/excel/duplic...tingDuplicates --- Regards, Norman "srbanksphd" wrote in message ... Hello all, I have never used this posting system before and I considered myself an advanced Excel user before reading some of the posts and their answers on this site. I have never used VBA before or any Macros, so please keep that in mind if answering. Question: I have two columns of data (A and B). Each has close to 1000 rows. I need to know which values appear in both columns. That's most important. I would also like to know which values are exclusively in Column A or B, but that would be secondary. Thank you in advance. |
#3
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Matching Two Columns with Many rows
I'd insert a new column B and a new column D.
So the original data is in column A and column C. Then in B1, put this formula: =if(isnumber(match(a1,c:c,0)),"In column C","Not in column C") then drag down. And a similar formula in column D: =if(isnumber(match(c1,a:a,0)),"In column A","Not in column A") ======== In fact, you may want to try this. Start a new worksheet copy your data in column A to column A of that new worksheet copy your data in column B to the bottom of column A of that new worksheet (include a single header row in row 1) Now you have a giant list in column A--but it may have duplicates. Select column A of that new worksheet. Data|Filter|advanced filter copy to another location (Use B1 of that new sheet) Check unique records only Delete column A (we're done with it) Add headers in B1 and C1: B1: It's in column A C1: It's in column B Now put this in B2. =isnumber(match(a2,sheet1!a:a,0)) put this in C2: =isnumber(match(a2,sheet1!b:b,0)) Select B2:C2 and drag down. You can filter on each of those columns to see what you want. You'l srbanksphd wrote: Hello all, I have never used this posting system before and I considered myself an advanced Excel user before reading some of the posts and their answers on this site. I have never used VBA before or any Macros, so please keep that in mind if answering. Question: I have two columns of data (A and B). Each has close to 1000 rows. I need to know which values appear in both columns. That's most important. I would also like to know which values are exclusively in Column A or B, but that would be secondary. Thank you in advance. -- Dave Peterson |
#4
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Matching Two Columns with Many rows
Hi,
Highlight the range from A1 to A1000 and do conditional formatting. Select the option Formula is and type the following =COUNTIF(B:B,A1)0 Format the cells with say yellow background. Click on OK. Similarly do the conditional formatting form B1 to B1000. The formula there will be =COUNTIF(A:A,B1)0 The cells which do not turn yellow are unique. Those that have a yellow background are in the other column. Alok "srbanksphd" wrote: Hello all, I have never used this posting system before and I considered myself an advanced Excel user before reading some of the posts and their answers on this site. I have never used VBA before or any Macros, so please keep that in mind if answering. Question: I have two columns of data (A and B). Each has close to 1000 rows. I need to know which values appear in both columns. That's most important. I would also like to know which values are exclusively in Column A or B, but that would be secondary. Thank you in advance. |
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