Using a simple LOD Expression, we can look down to the daily level, even if the data is displayed visually at a higher level. The following 6 examples illustrate how level of detail expressions can be applied to more advanced scenarios, as well as use cases that draw on the broader ...
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Step 2: Create the LOD expression Instead of the sum of all sales per region, you might want to also see the average sales per customer for each region. You can use an LOD expression to do this. SelectAnalysis>Create Calculated Field. In the Calculation editor that opens, do the followin...
In other words, if the expression is TRUE, NOT will make it FALSE and vice versa. NOT can often be avoided by using different types of comparison operators.Order of OperationsNow that we have explored the examples and use cases of the IF statement in Tableau let us look at the order in...
In the above calculation, we average the quantities by the unique columns in Table A, ORDER_DETAILS. While calculating the average using the FIXED LOD expression, we actually go back to the database (the joined dataset) and pre-calculate the average at the level of...
COUNTD() with an LOD expression Simple COUNTD() Calculated Field Behind the distinct count that we created in the Measure Names shelf, what actually happened is that Tableau used the COUNTD() function, which simply counts each unique Customer ID once. In our previous method, the aggregation...
You could create a calculation for LOD Gross as {FIXED [Movie] : MIN([Gross (USD millions)])} and then take the average of that new LOD Gross field for our view.The LOD expression can be read as “for each movie, return its minimum Gross”. This removes the duplication problem ...
Chapter 10 Advanced Computing: Special LOD Expression 1010.1Specialties and Principles of LOD Expression 10.2Grammar of LOD Expression 10.3Three Types of FIXED LOD Expression 10.3.1Detail Levels of a Higher Aggregative Degree than View 10.3.2Detail Levels of a Lower Aggregative Degree than View ...
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3. Table Calculation vs. Level of Detail Expression This is the decision that many people find confusing. However, the process to choose between a table calculation and an LOD Expression is the same as for a table calculation vs. a basic calculation. You need to ask: ...