New in Tableau Prep: mechanically establish information quality problems with information Roles

New in Tableau Prep:

Let’s face it, information usually contains inaccuracies that you simply ought to notice and fix—and it'd save a great deal of your time if your information preparation tool might notice these information quality problems for you. we have a tendency to square measure excited to introduce information Roles within the Sep unharness of Tableau school assignment (2018.2.3). Tell school assignment what your information values represent and it'll mechanically determine the values that do not match.

This unharness of Tableau school assignment conjointly includes user expertise enhancements just like the ability to directly fix be part of clauses and obtain higher feedback once you rename or cluster values. Plus, you'll currently connect with information in MongoDB.

Let’s see however these options prevent time in obtaining your information prepared for analysis.

Identify information quality problems by assignment information Roles
When you clean information, you regularly ought to notice inaccurate information values that represent real-world entities like country or aerodrome names. this could be a tedious and erring method as you validate information values manually or usher in expected values from different information sources. Tableau school assignment currently acknowledges a group of real-world entities as well as the eight geographic roles Tableau Desktop is aware of concerning, further as email addresses and URLs (see details here). Get more information from onlineitguru at Tableau Online Training 

Now you'll originated the information Role of a field to let Tableau school assignment originated what real-world entity the sector represents. Tableau school assignment uses this to validate {the information|the info|the information} values and mechanically determine invalid values for you to wash your data. you'll filter the sector to concentrate on invalid values and fix them by renaming the values or filtering them out. information roles assist you originated expectations a few information field, therefore school assignment will do the heavy-lifting of analyzing the information quality. we are going to still add roles in forthcoming releases and would love your feedback within the forums.

Fix information mismatches directly during a be part of clause
Finding mismatches during a be part of clause is straightforward in the Tableau school assignment as a result of they the show up as red text. However, previously, you couldn’t directly fix these mismatches within the be part of step. Now, you'll directly edit surprising values in be part of clauses that he t square measure created up of single or multiple fields, to match them up as applicable. This helps you keep within the flow of your task.

We’re perpetually adding options to assist build information preparation less complicated, faster, and fewer erring. attempt Tableau school assignment nowadays.

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