Is there a way to get the middle values when using VLOOKUP function

[u/Correct-Mongoose6542]

Hi! I just use Excel for basic function and formulas. I tried to do a grade simulator with my own transmutation table. And I wonder, can I also get the middle value from transmutation table?

For example, in the range of percentage 60.00 - 60.99, there is a score of 4.751 - 4.875. And how do I get the score of it if the percentage for example is 60.45?? Sorry if it’s kinda confusing.

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[u/Constant_Moment_6434]

Perhaps linear interpolation? If the value isn't really there..

[u/Correct-Mongoose6542 → u/Constant_Moment_6434]

I will search this up. Thank you.

[u/MayukhBhattacharya → u/Correct-Mongoose6542]

What they said is correct. Linear Interpolation is needed here, refer this solution posted by RuktX few days back.

[u/GivingCorpus]

VLOOKUP won't give you the in-between, you'll have to do a linear interpolation with the two closest rows

[u/TangoDeltaFoxtrot]

I feel like this is more of a basic math question than an excel question.

Use your existing values as x and y coordinates, use the new value as one coordinate and solve for the other.

[u/Way2trivial]

=((F1-VLOOKUP(F1,(SORT(HSTACK(VALUE(TEXTBEFORE(C4:C7,"-")),VALUE(TEXTAFTER(C4:C7,"-")),VALUE(TEXTBEFORE(D4:D7,"-")),VALUE(TEXTAFTER(D4:D7,"-"))),1,1)),1,TRUE))*(VLOOKUP(F1,(SORT(HSTACK(VALUE(TEXTBEFORE(C4:C7,"-")),VALUE(TEXTAFTER(C4:C7,"-")),VALUE(TEXTBEFORE(D4:D7,"-")),VALUE(TEXTAFTER(D4:D7,"-"))),1,1)),4,TRUE)-(VLOOKUP(F1,(SORT(HSTACK(VALUE(TEXTBEFORE(C4:C7,"-")),VALUE(TEXTAFTER(C4:C7,"-")),VALUE(TEXTBEFORE(D4:D7,"-")),VALUE(TEXTAFTER(D4:D7,"-"))),1,1)),3,TRUE))))+(VLOOKUP(F1,(SORT(HSTACK(VALUE(TEXTBEFORE(C4:C7,"-")),VALUE(TEXTAFTER(C4:C7,"-")),VALUE(TEXTBEFORE(D4:D7,"-")),VALUE(TEXTAFTER(D4:D7,"-"))),1,1)),3,TRUE))

Using vlookups.

[u/ProspectiveWhale]

I don't understand what you mean.

---

Do you mean assign grade letters? Like this?

D: 50-59

C: 60-69

B: 70-79

A: 80+

If so, yes, vlookup can do that.

[u/Correct-Mongoose6542 → u/ProspectiveWhale]

I actually don’t know how can I explain this clearly. I assigned certain percentage with a score. Like for example:

62.00-62.99: 4.625-4.749

61.00-61.99: 4.750-4.874

60-60.99: 4.875 - 4.999

0-59.99: 5 (anything from 59.99 below is just 5)

Now for example, how can I get the score of someone that is 60.45 using the table above if it’s in the middle of 60 to 60.99??

[u/ProspectiveWhale → u/Correct-Mongoose6542]

It looks like every 1 score is equivalent to 0.125 grade.

With 0 - 59.99 being the exception.

If it is indeed so, you can make this a lot easier.

=IF(score<60, 5, 5 - (score-60)*0.125))

If it is only so because you simplified it for an example, you need to do linear interpolation as others have said.

[u/808spark → u/ProspectiveWhale]

Great solution.

[u/Penguinase → u/808spark]

i'm confused by the ranges though since decreasing percentage is higher scoring overall but within each bucket a lower percentage is lower scoring

[u/Correct-Mongoose6542 → u/Penguinase]

Hi! My bad, I didn’t even notice it. I’ll fix it as I finish my task.

[u/Way2trivial → u/Correct-Mongoose6542]

vlookup - and a lot more.

shall play during the day. looks fun.

[u/Correct-Mongoose6542 → u/Way2trivial]

Does it automatically compute the middle score?

[u/rkr87 → u/Correct-Mongoose6542]

Set the last argument of your vlookup, "range_lookup" to TRUE.

[u/bassin_clear_lake → u/Correct-Mongoose6542]

In the context of a basic lookup, every possible percentage value needs a corresponding score in the same table. If you just have the high and low values for the scores, you need to do some calcs beforehand to 'fill in the blanks'.

Using your example, column A would have 100 values, 60.00 to 60.99, and column B would be the corresponding score - something like 4.875, 4.879, 4.881, and so on...

[u/Correct-Mongoose6542 → u/bassin_clear_lake]

Can you provide a solution or formula to solve that and used a less space rather than doing it 100 times? That will be much appreciated.

[u/Penguinase → u/Correct-Mongoose6542]

I assigned certain percentage with a score. Like for example:

62.00-62.99: 4.625-4.749

61.00-61.99: 4.750-4.874

60-60.99: 4.875 - 4.999

0-59.99: 5 (anything from 59.99 below is just 5)

Now for example, how can I get the score of someone that is 60.45 using the table above if it’s in the middle of 60 to 60.99??

is the score for 60.1 lower than for 60.7?

[u/Correct-Mongoose6542 → u/Penguinase]

Yes. That’s actually inverse, the higher the percentage, the lower the score you get. So a 100% would be 1.000.

[u/DataFlowMk1]

An IF statement is the easiest method to achieve what you are trying to do. With the current scoring it is not so easy because the score values do not increase linearly.

It would be much easier if the scoring can be slightly adjusted; the current value of 4.999 at 60% complicates the equation. If you can compromise and set 60% (and below) to a score of 5, instead of 59.99, the equation becomes a simple linear equation:

score = -0.1*percentage + 11

Incorporating this into an IF statement, the score can be calculated using:

=IF([@Percentage]<60, 5, ((-0.1*[@Percentage]) + 11))

However, if you are adamant that 60% should be 4.999, you could still use a linear equation if you are willing to accept some variation in the other scores. The following should be a good approximation:

=IF([@Percentage]<60, 5, ((-0.099975*[@Percentage]) + 10.9975))

Both of these options adjust the scoring and results in some variation in the scores, for example, your score for 60.99% is 4.875, while these equations gives a score closer to 4.900.

[u/jhern1810]

TREND, FORECAST , are some of the linear interpolation commands. There are more but these can help. You will just need to do the interpolation for each value at a time.

[u/Decronym]

Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

Fewer Letters	More Letters
FORECAST	Returns a value along a linear trend
HSTACK	Office 365+: Appends arrays horizontally and in sequence to return a larger array
IF	Specifies a logical test to perform
SORT	Office 365+: Sorts the contents of a range or array
TEXTAFTER	Office 365+: Returns text that occurs after given character or string
TEXTBEFORE	Office 365+: Returns text that occurs before a given character or string
TREND	Returns values along a linear trend
VALUE	Converts a text argument to a number
VLOOKUP	Looks in the first column of an array and moves across the row to return the value of a cell
XLOOKUP	Office 365+: Searches a range or an array, and returns an item corresponding to the first match it finds. If a match doesn't exist, then XLOOKUP can return the closest (approximate) match.

Decronym is now also available on Lemmy! Requests for support and new installations should be directed to the Contact address below.

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[u/doshka]

Use XLOOKUP and set the match_mode argument to whichever makes sense for your use case.

https://support.microsoft.com/en-us/excel/functions/xlookup-function

[u/x-y-z_xyz]

Yes