Summary
Level of detail expressions greatly extend what you can accomplish with calculations. You now have a toolset for working with data at different levels of detail. With fixed level of detail calculations, you can identify the first or last event in a series or whether a condition is ever true across entire subsets of data. With include expressions, you can work at lower levels of detail and then summarize those results in a view. With exclude expressions, you can work at higher levels of detail, greatly expanding analysis possibilities.
In the next chapter, we’ll explore the final main type of calculations: table calculations. These are some of the most powerful calculations in terms of their ability to solve problems, and they open up incredible possibilities for in-depth analysis. In practice, they range from very easy to exceptionally complex.
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