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Welcome to this section on measures.
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So in the previous section, we saw how we created a calculated column.
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What you saw was that in the table we got a new field and that field actually had a result for each
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row that was actually in the table.
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Now, when it comes to measures, measures are different.
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We don't actually create a new column that's going to be part of the table.
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What we do is we create a new calculation, and that calculation is then applied to the context of visualization.
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So you're going to see in the section how we can actually then create those measures, bring them into
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our calculations and allow them to be performed within visualizations.
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You're going to see that a number of these types of calculations are often aggregates that we can use.
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We can use a sum and average max.
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So we're going to use some examples of that.
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We're also going to be introducing a couple of new functions, such as distinct count and divide.
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I'm going to be seeing how we can use those in our calculations.
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We then also going to introduce a new function called Equal to calculate.
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So you're going to see with equals calculate.
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It's very much like a filter that you can apply to an expression.
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So if you've used equal to some F or average F or count F in Excel, then basically what you did was
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you said some of these amounts.
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If a certain condition is met and you're going to see that equals calculate allows us to be able to
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do something similar, but we can have filters that are applied to an expression.
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But we're going to explain in the lessons how this works in more detail.
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So yet again, let's jump into the lessons and I will see you there.
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