How do I lookup the combination of different columns and return a result if not equal in Excel?
First, I want to compare columns A and C if they are equal then I want to compare columns B and D. If they are also equal I want nothing to be written in column E if they are different I want column B to be written in column E.
I tried different combination of If and vlookups but I kept getting a bunch or errors("value") New-Microsoft-Excel-Worksheet.xlsx
The spreadsheet I shared is only a small sample of my whole data. And the required classes are not necessarily on the same row and there are some data that is on column A but not on column C (these will be skipped), so A2=C2 doesn't work. I need something like a Vlookup (Do we have A2 in Column C, if we do does B2 match column D that corresponds to the value we matched on column C)
For example,
class1 PP1 class2 PP2 Corrected to PP1
a 1 z 4 15
z 15 f 10 1
v 14 a 4 1
f 1 g 23 -
g 23 b 7 -
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If this doesn't help, please upload a sample workbook with the desired output in col. E filled manually as you did in your first sample workbook.
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enduranceAuthor Commented:
Sorry that also didn't work since it just copied the value from the same row onto column E instead of searching through the columns. I attached a bit modified version to clarify what I'm actually trying to do. New-Microsoft-Excel-Worksheet.xlsx
Would you please explain the logic behind your input in col. E for few cells e.g. E2 and E3 only to understand the logic behind the output?
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enduranceAuthor Commented:
So class1's PP1 is the latest information we have and every class's PP should be adjusted to class1's PP. So we see on column C2 (value F) the corresponding PP (column D) is 11 but on column B, class F's PP is 6. Therefore on column E2 we write down 6 to show that we need to make a change in class2 - PP2.
Same thing for C3 (value A), it's corresponding PP is 2 (column D), however, according to PP1 A is matched with 1. So we write down on E3 "1" to show we need to make a change.
Note: The Classes are never the same on the same column but PP's can have the same value, such as A can be 1 and Z can be 1 but there are no A=1 and A=2.
Let me know if you need further clarification. Thanks for the help!
That helped a little. But it copied everything on column B on E. I only need to see the change on column E. Otherwise it's difficult to pick up where we need to make changes without going through the whole data set.
I attached another spreadsheet. Notice A4-B4 and C10-D10 (value C) we have the same corresponding value (3), so on column E we put a dash mark to notify that we don't need to make a change. And also A9 (value E12) has a value of 9 but when with the code written above it gave me a dash instead of value 9 on E4. Sample-for-Duration-Study.xlsx
=IF(A1=C1,IF(B1=D1,"",B1),
NB: Change row number (1) to whatever row you are placing the formula in.