First of all just do this for me, open your Excel workbook and try to type RANKIF.
You will be wondered that there is no function in Excel for conditional ranking.
Yes, there is no one.
Now, just think this way, have you ever faced a situation where you have to rank values by using some specific criteria?
And if yes, then how you solved that problem, because you know there is no RANKIF function in Excel.
Let me tell you something, whenever you want to create a conditional ranking based on a specific criterion or category wise ranking, the best way is to use SUMPRODUCT.
Yes, you get it right, it’s SUMPRODUCT.
Here our target is to rank all the students in each of the subjects. That means, ranking from first to the last student in each subject like Finance, Operations and so on, according to their marks
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Congratulations, you have added subject wise ranks for the students, and do you believe you took a few seconds.
In the first part, you have used (–(C2=$C$2:$C$121)) to compare a subject name with the entire range.
And, it will return an array in which all those values will be true which are matched with the subject name “Finance”.
To check, just edit your formulas in cell D4, select only first part of the formula and press F9. It will show all the values of the array.
Here all the values which are matched with the subject name from the cell D4 are TRUE and the others are FALSE.
So the point is, it has returned a TRUE in the entire array where the subject name is matched.
And in the end, you have to use double minus sign to convert TRUE and FALSE into 1 and 0.
Result from this part of the formula: We have a 1 where the subject is matched and 0 where the subject is not matched.
In the second part, you have used (--(B2<$B$2:$B$121)) to check other student's score which is greater than the Tameka's score.
And, it returns an array in which all the values are TRUE where marks are greater than Tameka.
To check, just edit your formulas in cell D4, select only second part of the formula and press F9. It will show all the values of the array.
Here all the values which are greater than "24" are TRUE and others are FALSE.
So the point is, it has returned a TRUE in the entire array where the scores are greater than "24".
And in the end, you have to use double minus sign to convert TRUE and FALSE into 1 and 0. Now, it will look like this.
Result from this part of the formula: We have a 1 where the score it greater and 0 score where the score is equal or lower than.
Now take a deep breath and relax. Slow down your mind and think like this. At this point, we have two different arrays.
Now, when SUMPRODUCT multiplies these two arrays you will get 1 only for those students whose subject is matched and the score is greater than Tameka.
Just look at this, there are 9 other students with greater than marks from Tameka in Finance.
If you are curious to know about why you need to add 1 in the final formula then here is the reason for this:
At this point, you know that the total 9 students are there whose marks are greater than Tameka. So, if 9 students are there then Tameka should be on 10th rank.
That's why you need to add 1 at the end of the formula.