MS Office Forum / Excel / Worksheet Functions / October 2006
check for duplicate numbers
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Ash - 28 Oct 2006 22:02 GMT I have a spreadhseet that has 50 rows (steps) and 12 columns. Th columns represent groupings while the row are an assigned steps in th pay schedule. The first column A (monthly pay) is column B (annua salary) divided by 12. The same is true for the rest of the column like C and D, E and F, G and H and I and J. Recently I was given a tas to raise salaries by a same factor for all employees. I did this usin simple formulas and checked the result the long way by printing an going through the whole record. My question is does any one know formula to check for duplicate figures? obviously the same rate can no be applied to two employees at different Steps and Columns
-- Ash
Alan - 29 Oct 2006 03:27 GMT Assuming the values you need to check are in A1:A50, enter into B1 and copy down to B50, =IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","") Then if you wish, sort columns A and B by column B. You could also look at Conditional Formatting in Help to colour the duplicates red or whatever. Obviously change the cell references to suit your needs, Regards, Alan.
> I have a spreadhseet that has 50 rows (steps) and 12 columns. The > columns represent groupings while the row are an assigned steps in the [quoted text clipped - 6 lines] > formula to check for duplicate figures? obviously the same rate can not > be applied to two employees at different Steps and Columns. Ash - 29 Oct 2006 05:26 GMT Alan Wrote:
> Assuming the values you need to check are in A1:A50, enter into B1 and > copy [quoted text clipped - 22 lines] > not > be applied to two employees at different Steps and Columns. Alan - your formula is missing something. Also where do I put the checked value? Since the spreadsheet is in continum A1:j50, i would like to get a checked result some where out of this range.
 Signature Ash
Alan - 29 Oct 2006 15:23 GMT Sorry, should be =IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","") You can enter this formula anywhere you want to and change the A$1:A$50 to the column you want to check, Regards, Alan.
> Alan Wrote: >> Assuming the values you need to check are in A1:A50, enter into B1 and [quoted text clipped - 27 lines] > checked value? Since the spreadsheet is in continum A1:j50, i would > like to get a checked result some where out of this range. Ash - 29 Oct 2006 18:08 GMT Alan Wrote:
> Sorry, should be > =IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","") [quoted text clipped - 35 lines] > not > be applied to two employees at different Steps and Columns. Alan - I know you are trying to help me and I really appreciate it. But you gave me the same formula again. I am getting an error message every way i tried. when I select the whole spreadsheet and put the formula below data cells I get a circular ref error. I can email you if you want. My email is darnallash@yahoo.com
 Signature Ash
Epinn - 29 Oct 2006 23:59 GMT Ash and Alan,
This is what's happening. I don't know what caused it though.
Both times Alan wrote this formula
=IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","")
which includes the greater than sign ">" i.e. >1.
However, when Ash replied, the message quoted dropped the greater than sign.
It read: Alan wrote .......
=IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","")
See how the message dropped the greater than sign from the formula?
Ash, make sure you have >1 in the formula. Try to type in the formula instead of copy/paste. If your last column is J, try to use column k or l or m for the formula.
You said you had 12 columns. So, I don't understand why you said earlier your last column would be J? A to J = 10 columns. I am lost.
Epinn
Alan Wrote:
> Sorry, should be > =IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","") [quoted text clipped - 38 lines] > not > be applied to two employees at different Steps and Columns. Alan - I know you are trying to help me and I really appreciate it. But you gave me the same formula again. I am getting an error message every way i tried. when I select the whole spreadsheet and put the formula below data cells I get a circular ref error. I can email you if you want. My email is darnallash@yahoo.com
 Signature Ash
Alan - 30 Oct 2006 02:34 GMT Epinn, I noticed that too, but only after I read Ash's second reply. When I read the first one I just thought that I'd written the formula wrongly so I sent the correct one a second time, thanks for pointing it out to me. Ash, You mention a circular reference, this is probably because you're entering the formula in the range that it's searching. I can't really be specific on your exact spreadsheet for obvious reasons, I'm just giving you a formula that will highlight duplicates, you need to adapt yourself to suit your needs, if indeed it's suitable to you. The formula =IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","") counts the number of times that the exact contents of cell A1 occurs in the range A1:A50, if it occurs more than once it will display "Duplicate", if not it will stay blank. This needs to be in a cell out of the range it's searching otherwise you will get the CR error message because it's searching a range that includes itself. Regards, Alan. Ash and Alan,
This is what's happening. I don't know what caused it though.
Both times Alan wrote this formula
=IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","")
which includes the greater than sign ">" i.e. >1.
However, when Ash replied, the message quoted dropped the greater than sign.
It read: Alan wrote .......
=IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","")
See how the message dropped the greater than sign from the formula?
Ash, make sure you have >1 in the formula. Try to type in the formula instead of copy/paste. If your last column is J, try to use column k or l or m for the formula.
You said you had 12 columns. So, I don't understand why you said earlier your last column would be J? A to J = 10 columns. I am lost.
Epinn
Alan Wrote:
> Sorry, should be > =IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","") [quoted text clipped - 38 lines] > not > be applied to two employees at different Steps and Columns. Alan - I know you are trying to help me and I really appreciate it. But you gave me the same formula again. I am getting an error message every way i tried. when I select the whole spreadsheet and put the formula below data cells I get a circular ref error. I can email you if you want. My email is darnallash@yahoo.com
 Signature Ash
Epinn - 30 Oct 2006 03:43 GMT Alan, I don't understand Ash's need entirely. One interpretation is that the columns A, C, E, G and I should be checked for duplicates simultaneously and not by individual column. I know duplicates are not allowed in a column. If a number exists in column A, can it also exist in column C? Only Ash can tell.
I wonder why others don't join the party? Usually this subject attracts quite a bit of attention. May be we have too much of checking for duplicate numbers and counting unique values lately.
Ash, feel free to do a search. There are quite a few thread on this subject recently. Good info.
Epinn
Epinn, I noticed that too, but only after I read Ash's second reply. When I read the first one I just thought that I'd written the formula wrongly so I sent the correct one a second time, thanks for pointing it out to me. Ash, You mention a circular reference, this is probably because you're entering the formula in the range that it's searching. I can't really be specific on your exact spreadsheet for obvious reasons, I'm just giving you a formula that will highlight duplicates, you need to adapt yourself to suit your needs, if indeed it's suitable to you. The formula =IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","") counts the number of times that the exact contents of cell A1 occurs in the range A1:A50, if it occurs more than once it will display "Duplicate", if not it will stay blank. This needs to be in a cell out of the range it's searching otherwise you will get the CR error message because it's searching a range that includes itself. Regards, Alan. Ash and Alan,
This is what's happening. I don't know what caused it though.
Both times Alan wrote this formula
=IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","")
which includes the greater than sign ">" i.e. >1.
However, when Ash replied, the message quoted dropped the greater than sign.
It read: Alan wrote .......
=IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","")
See how the message dropped the greater than sign from the formula?
Ash, make sure you have >1 in the formula. Try to type in the formula instead of copy/paste. If your last column is J, try to use column k or l or m for the formula.
You said you had 12 columns. So, I don't understand why you said earlier your last column would be J? A to J = 10 columns. I am lost.
Epinn
Alan Wrote:
> Sorry, should be > =IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","") [quoted text clipped - 38 lines] > not > be applied to two employees at different Steps and Columns. Alan - I know you are trying to help me and I really appreciate it. But you gave me the same formula again. I am getting an error message every way i tried. when I select the whole spreadsheet and put the formula below data cells I get a circular ref error. I can email you if you want. My email is darnallash@yahoo.com
 Signature Ash
Alan - 30 Oct 2006 03:55 GMT 'I don't understand Ash's need entirely.'
Neither do I. I would have thought that only one column would need to be checked at a time, but maybe not. Curious about the disappearing '>' though isn't it? I've looked at these groups for quite some time and I've never come across that before, Regards, Alan. Alan, I don't understand Ash's need entirely. One interpretation is that the columns A, C, E, G and I should be checked for duplicates simultaneously and not by individual column. I know duplicates are not allowed in a column. If a number exists in column A, can it also exist in column C? Only Ash can tell.
I wonder why others don't join the party? Usually this subject attracts quite a bit of attention. May be we have too much of checking for duplicate numbers and counting unique values lately.
Ash, feel free to do a search. There are quite a few thread on this subject recently. Good info.
Epinn
Epinn, I noticed that too, but only after I read Ash's second reply. When I read the first one I just thought that I'd written the formula wrongly so I sent the correct one a second time, thanks for pointing it out to me. Ash, You mention a circular reference, this is probably because you're entering the formula in the range that it's searching. I can't really be specific on your exact spreadsheet for obvious reasons, I'm just giving you a formula that will highlight duplicates, you need to adapt yourself to suit your needs, if indeed it's suitable to you. The formula =IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","") counts the number of times that the exact contents of cell A1 occurs in the range A1:A50, if it occurs more than once it will display "Duplicate", if not it will stay blank. This needs to be in a cell out of the range it's searching otherwise you will get the CR error message because it's searching a range that includes itself. Regards, Alan. "Epinn" <someone@example.com.NO_SPAM> wrote in message news:uqLUd36%23GHA.1196@TK2MSFTNGP02.phx.gbl... Ash and Alan,
This is what's happening. I don't know what caused it though.
Both times Alan wrote this formula
=IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","")
which includes the greater than sign ">" i.e. >1.
However, when Ash replied, the message quoted dropped the greater than sign.
It read: Alan wrote .......
=IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","")
See how the message dropped the greater than sign from the formula?
Ash, make sure you have >1 in the formula. Try to type in the formula instead of copy/paste. If your last column is J, try to use column k or l or m for the formula.
You said you had 12 columns. So, I don't understand why you said earlier your last column would be J? A to J = 10 columns. I am lost.
Epinn
Alan Wrote:
> Sorry, should be > =IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","") [quoted text clipped - 38 lines] > not > be applied to two employees at different Steps and Columns. Alan - I know you are trying to help me and I really appreciate it. But you gave me the same formula again. I am getting an error message every way i tried. when I select the whole spreadsheet and put the formula below data cells I get a circular ref error. I can email you if you want. My email is darnallash@yahoo.com
 Signature Ash
Epinn - 30 Oct 2006 05:04 GMT May be it only happens around Halloween! <g>
When you click reply, you will see ...... "wrote in message," earlier I saw Greek.
Can't find it, otherwise I would have shown it to you.
Epinn
'I don't understand Ash's need entirely.'
Neither do I. I would have thought that only one column would need to be checked at a time, but maybe not. Curious about the disappearing '>' though isn't it? I've looked at these groups for quite some time and I've never come across that before, Regards, Alan. Alan, I don't understand Ash's need entirely. One interpretation is that the columns A, C, E, G and I should be checked for duplicates simultaneously and not by individual column. I know duplicates are not allowed in a column. If a number exists in column A, can it also exist in column C? Only Ash can tell.
I wonder why others don't join the party? Usually this subject attracts quite a bit of attention. May be we have too much of checking for duplicate numbers and counting unique values lately.
Ash, feel free to do a search. There are quite a few thread on this subject recently. Good info.
Epinn
"Alan" <alan111@ntlworld.com> wrote in message news:#O51YO8#GHA.4268@TK2MSFTNGP02.phx.gbl... Epinn, I noticed that too, but only after I read Ash's second reply. When I read the first one I just thought that I'd written the formula wrongly so I sent the correct one a second time, thanks for pointing it out to me. Ash, You mention a circular reference, this is probably because you're entering the formula in the range that it's searching. I can't really be specific on your exact spreadsheet for obvious reasons, I'm just giving you a formula that will highlight duplicates, you need to adapt yourself to suit your needs, if indeed it's suitable to you. The formula =IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","") counts the number of times that the exact contents of cell A1 occurs in the range A1:A50, if it occurs more than once it will display "Duplicate", if not it will stay blank. This needs to be in a cell out of the range it's searching otherwise you will get the CR error message because it's searching a range that includes itself. Regards, Alan. Ash and Alan,
This is what's happening. I don't know what caused it though.
Both times Alan wrote this formula
=IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","")
which includes the greater than sign ">" i.e. >1.
However, when Ash replied, the message quoted dropped the greater than sign.
It read: Alan wrote .......
=IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","")
See how the message dropped the greater than sign from the formula?
Ash, make sure you have >1 in the formula. Try to type in the formula instead of copy/paste. If your last column is J, try to use column k or l or m for the formula.
You said you had 12 columns. So, I don't understand why you said earlier your last column would be J? A to J = 10 columns. I am lost.
Epinn
Alan Wrote:
> Sorry, should be > =IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","") [quoted text clipped - 38 lines] > not > be applied to two employees at different Steps and Columns. Alan - I know you are trying to help me and I really appreciate it. But you gave me the same formula again. I am getting an error message every way i tried. when I select the whole spreadsheet and put the formula below data cells I get a circular ref error. I can email you if you want. My email is darnallash@yahoo.com
 Signature Ash
Alan - 31 Oct 2006 01:39 GMT May be it only happens around Halloween! <g>
Maybe! I hadn't thought of that, perhaps dark forces are at work here <g> Regards, Alan. May be it only happens around Halloween! <g>
When you click reply, you will see ...... "wrote in message," earlier I saw Greek.
Can't find it, otherwise I would have shown it to you.
Epinn
'I don't understand Ash's need entirely.'
Neither do I. I would have thought that only one column would need to be checked at a time, but maybe not. Curious about the disappearing '>' though isn't it? I've looked at these groups for quite some time and I've never come across that before, Regards, Alan. "Epinn" <someone@example.com.NO_SPAM> wrote in message news:ONdz808%23GHA.2180@TK2MSFTNGP05.phx.gbl... Alan, I don't understand Ash's need entirely. One interpretation is that the columns A, C, E, G and I should be checked for duplicates simultaneously and not by individual column. I know duplicates are not allowed in a column. If a number exists in column A, can it also exist in column C? Only Ash can tell.
I wonder why others don't join the party? Usually this subject attracts quite a bit of attention. May be we have too much of checking for duplicate numbers and counting unique values lately.
Ash, feel free to do a search. There are quite a few thread on this subject recently. Good info.
Epinn
Epinn, I noticed that too, but only after I read Ash's second reply. When I read the first one I just thought that I'd written the formula wrongly so I sent the correct one a second time, thanks for pointing it out to me. Ash, You mention a circular reference, this is probably because you're entering the formula in the range that it's searching. I can't really be specific on your exact spreadsheet for obvious reasons, I'm just giving you a formula that will highlight duplicates, you need to adapt yourself to suit your needs, if indeed it's suitable to you. The formula =IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","") counts the number of times that the exact contents of cell A1 occurs in the range A1:A50, if it occurs more than once it will display "Duplicate", if not it will stay blank. This needs to be in a cell out of the range it's searching otherwise you will get the CR error message because it's searching a range that includes itself. Regards, Alan. "Epinn" <someone@example.com.NO_SPAM> wrote in message news:uqLUd36%23GHA.1196@TK2MSFTNGP02.phx.gbl... Ash and Alan,
This is what's happening. I don't know what caused it though.
Both times Alan wrote this formula
=IF(COUNTIF(A$1:A$50,A1)>1,"Duplicate","")
which includes the greater than sign ">" i.e. >1.
However, when Ash replied, the message quoted dropped the greater than sign.
It read: Alan wrote .......
=IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","")
See how the message dropped the greater than sign from the formula?
Ash, make sure you have >1 in the formula. Try to type in the formula instead of copy/paste. If your last column is J, try to use column k or l or m for the formula.
You said you had 12 columns. So, I don't understand why you said earlier your last column would be J? A to J = 10 columns. I am lost.
Epinn
Alan Wrote:
> Sorry, should be > =IF(COUNTIF(A$1:A$50,A1)1,"Duplicate","") [quoted text clipped - 38 lines] > not > be applied to two employees at different Steps and Columns. Alan - I know you are trying to help me and I really appreciate it. But you gave me the same formula again. I am getting an error message every way i tried. when I select the whole spreadsheet and put the formula below data cells I get a circular ref error. I can email you if you want. My email is darnallash@yahoo.com
 Signature Ash
Ash - 31 Oct 2006 01:17 GMT Alan Wrote:
> 'I don't understand Ash's need entirely.' > [quoted text clipped - 135 lines] > not > be applied to two employees at different Steps and Columns. Many thanks to Alan and Eppin. The drop in the numbers/signs was very confusing. I am working on teachers pay schedule. A teacher with BA would fall on group one in which case the first column is monthly pay while the second is annual salary. Each column represents some kind of degree + credit hours. I do need to check all columns for duplicate entry. Since I inherited a pay scale that does not have any meaning (percentage wise) as to by how much each increase is I had to come up with a somewhat complicated formula. Eppin sorry for the column count mistake. I do have 12 columns. As to why there is no mass response, I am as interested as you are to know why? Was this a simple question, perhaps?
 Signature Ash
Roger Govier - 31 Oct 2006 11:15 GMT Hi Ash
It is unclear what you are trying to achieve. What does each row represent, a different employee? What does each column represent? Can you provide more detail with a sample of a couple of rows of data, and a further explanation of what you want to achieve. Because of text wrapping with 12 columns worth of data, it will be clearer if you post the sample in a transposed way, with columns going down the screen, and rows going across the screen
Col, Row 1 2 3 A,Monthly Salary,2000,2500 B,Annual Salary,24000,30000 C,BA Add'n,5%,6% etc.
 Signature Regards
Roger Govier
> Alan Wrote: >> 'I don't understand Ash's need entirely.' [quoted text clipped - 155 lines] > am as interested as you are to know why? Was this a simple question, > perhaps? shail - 30 Oct 2006 14:07 GMT Ash,
The formula is correct. You need to enter these formula at the next column not at the same column. That's why you are getting the circular references. Copy and and paste the formula to all the columns till you need to now the duplicate entries.
Hope that helps,
Thankyou,
Shail
> Alan Wrote: > > Sorry, should be [quoted text clipped - 50 lines] > below data cells I get a circular ref error. > I can email you if you want. My email is darnallash@yahoo.com
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