How to use fixed array in arrayformula? - google-sheets

I have a table like:
| 1 | 10 | <unique appearences from A&B>
| 2 | 10 | <unique appearences from A&B>
| 1 | 20 | <unique appearences from A&B>
| ... |
I want to use a fixed area (columns A:B) and count how much this combination of A & B appeared before including current row.
I use this formula: =ARRAYFORMULA(IF(A2:A<>"";COUNTIFS(A$2:A;A2:A;B$2:B;B2:B);"")).
Each row with its own formula is working: (for row A): =COUNTIFS(A$2:A2;A2;B$2:B2;B2).
Here my example sheet.
Is it possible to make an area in an array formula as fixed?
For specific fields does INDIRECT() sometimes help but not for arrays.
$ doesn't help either.
I mean I figured already out that some functions don't work with array formula like JOIN() - is this also such a case?

=ARRAYFORMULA(COUNTIFS(A2:A21&B2:B21,A2:A21&B2:B21,ROW(A2:A21),"<="&ROW(A2:A21)))

Related

Reference range when column matches string

Budget spreadsheet. Column A contains categories, Row 1 contains paycheck dates, and each cell from B2:AE91 contains numeric values ("how much I spent on categoryX during paycheckY").
Named ranges:
Column A - "Budget_LineItem"
Row 1 - "Budget_PayPeriods"
On another tab, I have a list of specific categories called "Funds," where I want to track how much I've saved so far each paycheck toward the category by adding up the category's values each paycheck up until TODAY().
For example:
| | A | B | C | D |
| - | - | - | - | - |
| 1 | Fund | Balance | Today: | =TODAY() |
| 2 | Auto Insurance | =SUMIF(Budget_PayPeriods,"<="&MAX($D$1:$D$2),Budget!F48:AE48) | Projected Date: | |
As you can see, I just have a static range for the "Auto Insurance" category: Budget!B48:AE48. This works, but I want a formula that looks up the adjacent value in column A against the Budget_LineItem range, and returns the row range from B:AE in the Budget spreadsheet.
Basically reads: "Go find how much I've saved/spent so far toward categoryX in the Budget tab, and add up all the values for each paycheck up through today."
I know I'm close, but I can't make INDEX, MATCH, or any of the LOOKUP functions do what I need. I just can't figure it out.
EDIT: Here's a link to an example: https://docs.google.com/spreadsheets/d/1L4mlMrRCWwDNPSiYHpmFiXU1zNOnga6gAziz_m2awKI/edit?usp=sharing
I also made a change to the OP formula in B2 as I realized it didn't work. I had tweaked it because my original formula had extra complexity and I was trying to KISS for this question. I changed it back to the more complex version so it works properly now.
delete range B2:B and use this in B2:
=INDEX(MMULT(FILTER(Budget!B2:4, Budget!B1:1<=MAX(D1:D2))*1,
SEQUENCE(SUMPRODUCT((Budget!B1:1<=MAX(D1:D2))))^0))
update:
=INDEX(IFNA(VLOOKUP(A2:A,
{Budget!A2:A4, MMULT(FILTER(Budget!B2:4, Budget!B1:1<=MAX(D1:D2))*1,
SEQUENCE(SUMPRODUCT((Budget!B1:1<=MAX(D1:D2))))^0)}, 2, 0)))

Google Sheets ArrayFormula that returns an index of the column that matched specified criteria for each row

I've been searching for several hours for what I thought would be a pretty straight forward problem but without any luck.
I need an array formula (needs to calculate for range without copying down the formula) that returns an index reference to the column containing a match for the passed criteria for each row. I don't need the value returned, which is what I've seen related problems solving for, just the column index. I will be using the returned index value to pull data from a bound matrix containing data such as allocated hours. I tried to use MATCH inside an ArrayFormula with a dynamic index for the lookup range but it doesn't increment the row as I would expect. Below is example data with the desired results shown in the first column (technically the results will be returned in a separate worksheet but included here for illustrative purposes), assignee is the criteria for which to find the matching column index across reviewers 1 - 3.
+---------+----------+------------+------------+------------+
| Results | Assignee | Reviewer 1 | Reviewer 2 | Reviewer 3 |
+---------+----------+------------+------------+------------+
| 2 | Paul | Tim | Paul | Sue |
| 1 | Nick | Nick | Linda | Adam |
| 3 | Bill | Ryan | Paul | Bill |
| 2 | Tom | Paul | Tom | Sarah |
+---------+----------+------------+------------+------------+
I've been struggling with this for a while so any guidance would be appreciated!
Try this:
=MMULT(ARRAYFORMULA(--('Table 2'!A3:D7) * --('Table 1'!A3:A7 = 'Table 1'!B3:E7)), SEQUENCE(COLUMNS('Table 1'!B3:E7), 1, 1, 0))
--('Table 2'!A3:D7) - places 0s instead of blanks in table 2 (needed for MMULT).
--('Table 1'!A3:A7 = 'Table 1'!B3:E7) - gives a table with 1s in cells corresponding to current reviewer, and 0s in all the other.
Then those two ranges are multiplied cell by cell. That gives a table with the right hours in cells with the reviewers' names, one value in a row.
MMULT gives a row wise sum, which is effectively a column of those hours from the previous step.
If you'll have a bigger table you'll just need to adjust Table 1'!A3:A7, 'Table 1'!B3:E7, and Table 2'!A3:D7 accordingly. The rest will remain the same.
The best I've been able to come up with so far is this SWITCH statement. It works but not so elegant
=ArrayFormula(SWITCH(Current_Assignee, INDEX(Queue,,1), "1", INDEX(Queue,,2), "2", INDEX(Queue,,3), "3", INDEX(Queue,,4), "4", INDEX(Queue,,5), "5"))

Count Correct Answers

I'm trying to create a spreadsheet to automatically grade test answers.
Column A has question numbers (from paper sheet), column B has the correct answers, and columns C,D,E... have student answers.
# | Answer | Student A | Student B | Student C | Student D
-------------------------------------------------------------
1 | A | A | A | C | A
2 | B | B | B | B | B
3 | C | C | C | B | C
I'd like to add a row above the headers that shows the number of correct answers for each student, but I can't seem to get the variables right. I'm using the formula =$B2 for conditional formatting, and that works fine. I've tried
ACOUNT(FILTER()), SUMIF, COUNTIF
I think I want something to the effect of
=SUM(IF(B2:B152=C2:C152,1,0))
A SUMPRODUCT function¹ should be sufficient.
=sumproduct(--(C3:C5=$B3:$B5))
Lock the column references to the answers so the formula can be filled right.
¹ The documentation link is for MS-Office, Excel but the syntax is identical.
This single arrayFormula should work:
=mmult(SPLIT(rept("1|",COUNTA(B3:B)),"|"),ArrayFormula(--(C3:F5=B3:B5)))
Paste it in C1 and see the result:
To make formula work, when new rows added:
=mmult(SPLIT(rept("1|",COUNTA(B3:B)),"|"),
ArrayFormula(--(OFFSET(B3,,,COUNTA(B3:B))=OFFSET(C3:F3,,,COUNTA(B3:B)))))

Structuring a query between multiple tabs to join values by name

I'm trying to write a SQL query in Google Sheets to try and get data for "matching" results from two different tabs, but running into some trouble.
This is a sheet that's basically an automated scoring engine for instructors who take a two-part test (written and practical). After the results are entered, I'd like to use some SQL to take the results from the two tabs and collate them into a final score.
Link to the sheet in question.
There's a "Practical Scores" tab (which takes all the data from the associated Google Form), and a "Written Scores" tab. I'd like to get the name of the instructors who match in both those tabs, and give the associated score for them, but I'm mostly having trouble with writing the correct SQL.
Most of what I'm trying to do is working fine. I'm able to pull the final practical scores via the following SQL:
=query(PracticalScores!A2:E, "select A, count(E),SUM(E)/3 group by A")
I can also pull the written scores as follows:
=query('Written Scores'!B2:C,"select B,C")
But I want the intersection of the two as well, and that's where I'm running into problems.
=query(A8:E, "select A,C,D where A = E")
will simply return the rows where the names match up, and I want the instances where the names match up, regardless of whether the rows do.
That is, I want all the rows where the names match from tab 1 to tab 2 and not just the few rows that happen to line up perfectly.
If I'm not explaining this well, please let me know and I can provide additional information. Any assistance would be very greatly appreciated!
Since the query function does not support joins, this can't all be done in one query. Instead, the following device can be used:
=arrayformula(vlookup(name column, table, # of column to extract, False))
For example, suppose I have a table
+---+-------+---+
| | A | B |
+---+-------+---+
| 2 | Jim | 3 |
| 3 | Sarah | 4 |
| 4 | Bob | 5 |
+---+-------+---+
to which I want to add another column, taking it from
+---+-------+---+
| | E | F |
+---+-------+---+
| 2 | Sarah | 9 |
| 3 | Bob | 8 |
| 4 | Jim | 7 |
+---+-------+---+
The basic idea is to put in cell C2 the formula
=arrayformula(vlookup(A2:A, E2:F, 2, false))
which will look up every name from first table (column A) in the column E, and return the matching value in column F. Result:
+---+-------+---+---+
| | A | B | C |
+---+-------+---+---+
| 2 | Jim | 3 | 7 |
| 3 | Sarah | 4 | 9 |
| 4 | Bob | 5 | 8 |
+---+-------+---+---+
In practice, one should filter out empty lookup values to improve performance:
=arrayformula(vlookup(filter(A2:A, len(A2:A)), E2:F, 2, false))
If the second table contains some names not present in the first, they will not be returned by the above formula. In this case it is better to prepare a full list of names, for example with
=sort(unique({Sheet1!A2:A; Sheet2!A2:A}))
which collects the names from A columns of two sheets, eliminating duplicates and sorting. Then look up those using vlookup as above.

Google Sheets Function to get value of adjacent cell based on key

I need some help figuring out some Google Sheets function. I'm trying to look for the value of an adjacent cell based on a key. The problem is that the table has several rows and columns to search for. For example:
| A | B | C | D |
1 | Alpha | 5 | Bravo | 10 |
2 | Charlie | 15 | Delta | 20 |
The list goes on for several more rows and colums. What I'm looking for for example, is when a search use "Delta" as my search key, it will return the value 20 for me. I appreciate your help. Thanks!
Here is the answer I got on the web application community:
https://webapps.stackexchange.com/questions/90198/how-to-get-value-of-adjacent-cell-based-on-key-if-the-table-is-split-into-multi
You can still use vlookup for this, by stacking the lookup tables into one using the array notation {first ; second; third} which means first above second above third. Example:
=vlookup("Delta", {A:B; C:D}, 2, False)
returns 20.
Try:
=offset(lookup("Delta",A1:D2),0,1)
You could use the following:
=ArrayFormula(INDEX($A$1:$D$2,MIN(IF($A$1:$D$2=$G$1,ROW($A$1:$D$2))),MIN(IF($A$1:$D$2=$G$1,COLUMN($A$1:$D$2)))+1))
This could by done in several ways.
Use RegEx
=regexextract(CONCATENATE(A1:D),F6 & "(\d+)")
where F6 is cell with lookup value i.e. "Delta"
Use lookup
=INDEX(A:D,MATCH(LOOKUP(F6,A1:D,A1:A),A1:A),MATCH(F6,INDIRECT(MATCH(LOOKUP(F6,A1:D,A1:A),A1:A)&":"&MATCH(LOOKUP(F6,A1:D,A1:A),A1:A)))+1)
where F6 is cell with lookup value i.e. "Delta", look at example.
MATCH(LOOKUP(F6,A1:D,A1:A),A1:A) is used 3 times, so it could be counted in separate cell.

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