How to normalize data to a range in Tableau

Question

In Tableau, I am trying to implement the following normalization logic:

https://stats.stackexchange.com/questions/70801/how-to-normalize-data-to-0-1-range

Basically, I want to take all values from a particular measure and scale them to values in the range of [0, 1]. This requires gathering the minimum and the maximum of a measure. What I want is...

(x - min(x)) / (max(x) - min(x))

If you create a calculated field using the above link's method, you get the "Cannot mix aggregate and non-aggregate" error.

This is where I am stuck. Is there a function and/or a trick to get this to work? 

Answer 1

• Try this following code:

(MEDIAN(X)- TOTAL(MIN(X))) / (TOTAL(MAX(X)) - TOTAL(MIN(X)))

• If the function only acts on one data point at a time, MEDIAN(X) will just return the value of the data point itself.

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