March 2018
Beginner to intermediate
514 pages
13h 11m
English
book
Mastering Qlik Sense
by Ralf Becher, Karl Pover, Jason Michaelides, Dilyana Ivanova, David Alcobero, Martin Mahler, Juan Ignacio Vitantonio
Content preview from Mastering Qlik Sense
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User-defined functions
Apart from strings, numbers, and system functions, variables can hold user-defined functions.
A user-defined function is a group of calculations with parameters that are stored in variables. These variables can then be used throughout the script or in any application. As the variables hold functions or calculations, the user can pass parameters that will then be used to calculate the output.
User-defined functions are stored in variables and thus must be created with the prefix SET or LET when using script code or from the Variable overview in the application edit mode.
Let's use the following user-defined variable as an example:
SET vFormatNumber = if($1 >=0 AND $1 <=999, round($1,0.1), if($1 >=1000 and $1 <=999999, ...
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