Return Multiple Unique Matches in Excel without Array Formula - excel

Given an Excel table of shape
Col. A Col B Col. C Col. D Col. E
x 2 x 2 3
x 3 y 7
y 7 z -5
x 2
z -5
I want to return the first unique hit in Column B for argument "x" in Column D,
the second unique hit in Column B for argument "x" in Column E and so forth.
The formula I'm currently using in cell D1 for this is
{=IFERROR(INDEX($B$1:$B$5,MATCH(0,COUNTIF($C1:C1,$B$1:$B$5)+($A$1:$A$5<>$C1),0)),"")}
which is working.
The problem I'm having is that since this is an array formula and since I'm analyzing a decent amount of data computation time for my sheet is too high.
Is there an alternative for this functionality avoiding an array formula?
Thanks!

Haven't got time to test this properly, but if you have Excel 365 you can use a single formula per row and it may be faster:
=TRANSPOSE(UNIQUE(FILTER(B1:B10,A1:A10=C1)))
in D1.
EDIT
To pull the formula down, you need static references as OP has pointed out. Probably should check for empty cells in column C as well, so formula becomes:
=IF(C1="","",TRANSPOSE(UNIQUE(FILTER(B$1:B$10,A$1:A$10=C1))))

Related

Formula to get crossed values

I am trying to get values from other column, based on some logic, crossed logic, but I didn't get any result with the only thing I know: IF or VLOOKUP.
The table is in this way:
So basically there are groups divided by blank row, and in column D I want to add the value from column B, but according with other letter that the one from the row ( C is from Credit, D is from Debtor). So in first D5 I have C on the same row in A5, so I need to take value from D, which is 2, according to B6.
So sorry if this question is too easy or stupid, but I don't know much about excel formulas, other that the basic one.
I'd say the fastest way with formula takes two columns. The first one (let's say column C) will use this formula to define the blocks:
=IF(A5="",C4+1,IFERROR(C4+0,0))
It's meant for cell C5.
The second column will give back the actual result:
=SUMIFS(B:B,A:A,IF(A5="C","D",IF(A5="D","C","")),C:C,C5)
It's meant for cell D5.
Place them accordingly and drag them down to cover your list.
Then again: if you are looking just for the number and not for its sum (and therefore assuming all numbers are equal for each letter in each block), just use this one in cell D5 instead of the previous one:
=SUMIFS(B:B,A:A,IF(A5="C","D",IF(A5="D","C","")),C:C,C5)/COUNTIFS(A:A,IF(A5="C","D",IF(A5="D","C","")),C:C,C5)
Now if you were to use only IF and VLOOKUP functions, a possible solution could be this one:
A
B
C
D
E
F
G
Block index
0
What to search
What is
Value
Result
C
1
=IF(A5="",C4+1,C4)
=IF(A5="",C4+1,C4)&SE(A5="C","D",SE(A5="D","C",""))
=C5&A5
=B5
=IF(VLOOKUP(D5,E:F,2,FALSO)=0,"",VLOOKUP(D5,E:F,2,FALSO))
D
2
=IF(A6="",C5+1,C5)
=IF(A6="",C5+1,C5)&SE(A6="C","D",SE(A6="D","C",""))
=C6&A6
=B6
=IF(VLOOKUP(D6,E:F,2,FALSO)=0,"",VLOOKUP(D6,E:F,2,FALSO))
D
2
=IF(A7="",C6+1,C6)
=IF(A7="",C6+1,C6)&SE(A7="C","D",SE(A7="D","C",""))
=C7&A7
=B7
=IF(VLOOKUP(D7,E:F,2,FALSO)=0,"",VLOOKUP(D7,E:F,2,FALSO))
=IF(A8="",C7+1,C7)
=IF(A8="",C7+1,C7)&SE(A8="C","D",SE(A8="D","C",""))
=C8&A8
=B8
=IF(VLOOKUP(D8,E:F,2,FALSO)=0,"",VLOOKUP(D8,E:F,2,FALSO))
D
3
=IF(A9="",C8+1,C8)
=IF(A9="",C8+1,C8)&SE(A9="C","D",SE(A9="D","C",""))
=C9&A9
=B9
=IF(VLOOKUP(D9,E:F,2,FALSO)=0,"",VLOOKUP(D9,E:F,2,FALSO))
C
4
=IF(A10="",C9+1,C9)
=IF(A10="",C9+1,C9)&SE(A10="C","D",SE(A10="D","C",""))
=C10&A10
=B10
=IF(VLOOKUP(D10,E:F,2,FALSO)=0,"",VLOOKUP(D10,E:F,2,FALSO))
=IF(A11="",C10+1,C10)
=IF(A11="",C10+1,C10)&SE(A11="C","D",SE(A11="D","C",""))
=C11&A11
=B11
=IF(VLOOKUP(D11,E:F,2,FALSO)=0,"",VLOOKUP(D11,E:F,2,FALSO))
D
2
=IF(A12="",C11+1,C11)
=IF(A12="",C11+1,C11)&SE(A12="C","D",SE(A12="D","C",""))
=C12&A12
=B12
=IF(VLOOKUP(D12,E:F,2,FALSO)=0,"",VLOOKUP(D12,E:F,2,FALSO))
C
5
=IF(A13="",C12+1,C12)
=IF(A13="",C12+1,C12)&SE(A13="C","D",SE(A13="D","C",""))
=C13&A13
=B13
=IF(VLOOKUP(D13,E:F,2,FALSO)=0,"",VLOOKUP(D13,E:F,2,FALSO))
C
5
=IF(A14="",C13+1,C13)
=IF(A14="",C13+1,C13)&SE(A14="C","D",SE(A14="D","C",""))
=C14&A14
=B14
=IF(VLOOKUP(D14,E:F,2,FALSO)=0,"",VLOOKUP(D14,E:F,2,FALSO))

EXCEL counting empty rows

A B C D E F G H
1 Y Y Y X
2 X X
3 Y Y
4 X X
5 Y Y Y X
Count the number of empty rows (from Columns A to E) and put result here. Answer should be 2 from example above.
Hi Folks,
I'm struggling to find the correct Excel formula to count the number of rows with no data from columns A through E, and putting that answer in a cell. These 'empty rows' may have data in later columns (like F, G, H), but I just want to count the rows with no data from columns A to E.
Any help would be appreciated.
Since array formulas tend to confuse people, here's a non-Array formula approach:
Place =IF(COUNTA(A1:E1)=0,1,0) into row 1 of (for example) column I and drag down to row 5. Then place a sum formula below that to get the answer, for example: =SUM(I1:I5)
Try this array formula,
=SUM(IF(ROW(1:5), IF(A1:A5&B1:B5&C1:C5&D1:D5&E1:E5="", 1)))
Remember to finalize with ctrl+shift+enter, not just enter.
You could also use a variation on the standard formula for getting row sums of a 2d array
=SUM(N(MMULT(N(A1:E5=""),TRANSPOSE(COLUMN(A1:E5)^0))=COLUMNS(A1:E5)))
or
=SUM(N(MMULT(N(A1:E5="Y"),TRANSPOSE(COLUMN(A1:E5)^0))=0))
Again they are array formulas and have to be entered with CtrlShiftEnter

Is there a formula that inputs on nth row of column A by reading what's in column F and/or D on their congruent rows?

I'm very new to excel programming. Currently I'm working on an excel worksheet and I need a formula that inputs on nth row of column A by reading what's in column F and/or D on their congruent rows. So far I have something like:
=IF(AND(D:ROW(n)=0,F:ROW(n)="x"),A:ROW(n)="e",IF(D:ROW(n)=0,"N","X"))
e.g.
A B C D E F
1 e 0 x
2 N 0
3 X 2
Put this in A1:
=IF(D1 = 0,IF(F1="x","e","N"),"X")
And copy down.
The references are Relative, so as the formula is copy/dragged down they will change on their own.

How to select certain rows in Excel that meet logical criteria of A & B

I have an excel sheet in CSV that has 8 columns A-H and thousands of rows with values 0 or 1 depending on truth value.
I'm looking for the Excel function in which I can select rows where column A and B are true so that I can check another columns probability given A&B. IE P((A&B)|D) (where | means given).
I'm really new to excel and having difficulties finding how to only select rows that meet this criteria.
The following formula entered in I1 will return a 1 if both A1 and B1 are true.
=IF(AND($A1=1,$B1=1),1,0)
Copy it down or autofill to identify all rows where A and B are true.
The $ sign before A and B make the column references absolute meaning if you drag the formula to the right, the references to columns A and B will remain.
Because Excel implicitly interprets 0 = FALSE and 1 (or any other number) = TRUE the formula could be shortened to:
=IF(AND($A1,$B1),1,0)
The probability of C being 1 given that A and B are 1 can be calculated by counting all rows where A, B and C are all 1 and dividing by the number of rows where both A and B are 1:
=COUNTIFS($A:$A,"1",$B:$B,"1",C:C,"1")/COUNTIFS($A:$A,"1",$B:$B,"1")
Again, references to A and B are absolute, while C is relative so you can drag right to get probabilities for columns D to H.
COUNTIFS only counts the rows where all of the criteria are met and allows you to specify up to 127 range/criteria pairs.
EDIT
You could also use:
=AVERAGEIFS(C:C,$A:$A,1,$B:$B,1)
to get the probability.

How do I convert rows to columns, and repeat the adjacent cells?

I'm sorry if the title is confusing, but a visual should hopefully help:
Here's what my sheet looks like:
A B C D
1 x y z t
2 q w e r
3 y u i o
I need to generate a separate sheet wherein:
A B C
1 x y t
2 x z t
3 q w r
4 q e r
...
Basically, I need the middle two columns of the original sheet to be transposed and the adjacent columns to it pulled into my new sheet as well (as duplicate rows).
I have the transpose working correctly, and when I pull the adjacent columns that works too. The issue is, I can't autofill the sheet. When I try to drag & autofill, instead of autofilling using row 2 from the original sheet, the new sheet will autofill using row 3 (which is the same row # in the new sheet).
Please let me know if this isn't making sense, I'll try to explain better! I'm not very well versed in the Google Spreadsheets scripts - I've tried before but they seem rather cumbersome. But I'm happy to try that as well.
I'm not sure where a transpose operation would come into play but a little conditional maths and the INDEX function¹ should suffice.
=INDEX($A$1:$D$3,(ROW(1:1)-1)/2+1,IF(COLUMN(A:A)=3,4,IF(AND(ISEVEN(ROW(1:1)),COLUMN(A:A)=2),3,COLUMN(A:A))))
The documentation I've linked to is Excel but the syntax is identical for these purposes.
Addendum for more columns
By adjusting the condition for the offset after the third column, more columns can be readily accounted for.
=INDEX($A$1:$J$3,(ROW(1:1)-1)/2+1,IF(COLUMN(A:A)>=3,COLUMN(A:A)+1,IF(AND(ISEVEN(ROW(1:1)),COLUMN(A:A)=2),3,COLUMN(A:A))))
The above collects 10 columns from the source matrix but should be auto-adjusting for pretty much any number of columns.
¹ The INDEX function accepts parameters for both row number and column number. Although typically only one of these is used, there is no restriction against supplying both against a 2D range of cells.
Put the row_number calculation,      =(ROW(1:1)-1)/2+1 into a cell and fill down. You will receive 1, 1, 2, 2, 3, 3, etc. This supplies the repeating row number from the A1:D3 range.
Put the column_number calculation,      =IF(COLUMN(A:A)=3,4,IF(AND(ISEVEN(ROW(1:1)),COLUMN(A:A)=2),3,COLUMN(A:A))) into a cell and fill right and down. You will receive 1, 2, 4 for the first row and 1, 3, 4 for the second. This pattern repeats itself for subsequent rows and supplies the offset column numbers from the A1:D3 range.
You can do this with 3 single arrayformulas that are dynamic to work with any number of rows of data:
Here is an image to demonstrate:
The three formulas are:
CELL A1:
=TRANSPOSE(SPLIT(JOIN(";",ARRAYFORMULA(REPT(Sheet1!A1:A&";",2))),";"))
CELL B1:
=TRANSPOSE(SPLIT(JOIN(";",ARRAYFORMULA(Sheet1!B1:B&";"&Sheet1!C1:C)),";"))
CELL C1:
=TRANSPOSE(SPLIT(JOIN(";",ARRAYFORMULA(REPT(Sheet1!D1:D&";",2))),";"))

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