Tuesday, June 27, 2023

Explain the Logical Function ' IN ' in Tableau with Example?

In Tableau, the "IN" logical function is used to check whether a specified value matches any value in a list or a set of values. It returns a Boolean (true/false) result indicating whether the value is present in the list.


The syntax of the "IN" function in Tableau is as follows:

[value] IN (value1, value2, ...)

Here's an example to illustrate how the "IN" function works:

Let's say you have a dataset of customers, and you want to identify all the customers who have made purchases in specific cities. You are interested in customers from New York, London, and Sydney. You can use the "IN" function to check if the customer's city is in the specified list.


IF [City] IN ('New York', 'London', 'Sydney') THEN 'Included' ELSE 'Excluded' END

In this example, the "IN" function is used within an IF statement. If the customer's city matches any of the cities in the list ('New York', 'London', 'Sydney'), the result will be 'Included'. Otherwise, the result will be 'Excluded'.

For instance, if the customer's city is 'London', the "IN" function will return true, and the IF statement will assign the value 'Included' to that customer. On the other hand, if the customer's city is 'Paris', the "IN" function will return false, and the IF statement will assign the value 'Excluded'.

You can use the "IN" function in various scenarios, such as filtering data based on multiple values, creating custom groups or segments, or performing conditional calculations. It provides a convenient way to check if a value matches any value in a specified list, reducing the need for writing multiple equality conditions. 

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