From the course: Complete Guide to Tableau for Data Scientists

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Use a parameter to search free text fields

Use a parameter to search free text fields - Tableau Tutorial

From the course: Complete Guide to Tableau for Data Scientists

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Use a parameter to search free text fields

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- [Instructor] A really useful use case for parameters is the ability to search through text files. Now, one of the, not necessarily the worst data types, but certainly one of the trickiest data types you have to deal with is free text fields. This is when you are allowing somebody to type into a field in your data. Now, it can be really hard to work with because of typos, uppercase, lowercase, punctuation, that sort of thing. But there's an awful lot of good, useful information that can be found in free text that might be useful for your analysis. How can we access and get into that and actually make use of it? Well, one way we can do that is by using pattern matching and searching for free text. Similarly to what you would do in any kind of Word document or Notepad where you can search through looking for particular words or phrase or anything that you can type in, we can build that same kind of functionality within a visualization. So for example, if we were looking at something to…

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