So Just how does the Order of Operations affect your calculations? Tableau, like most systems, has an order or sequence in which filters are applied
Do you use parameters – I love them and use them a lot – Let's look at them in more detail Parameters are one-way
Date Functions I've had my "issues" with dates – maybe you have too – Date functions allow us to make spectacular charts, compare period
Show – Hide Filters Often we will see a Forum question on how to "Filter the view without filtering the underlying data?" Really?
Not all Nulls are created equal? – Really? Nulls – they break your calculations and mess with your charts but why are they difficult
Cannot Mix Aggregate and Non-aggregate One of the most frequent questions we see on the Forum results from trying mixing aggregate and non-aggregates in the same
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