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Book Overview & Buying
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Table Of Contents
Learning Tableau 2025 - Sixth Edition
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We just walked through an example of creating a new field with a Python script. With table extensions, you can add entirely new tables to your data model and leverage the full power of Python to transform, cleanse, and analyze your data!
Table extensions allow you to add tables of data to your data model. Unlike most of the tables we’ve seen so far, which have come from files or databases, these files are created based on scripts.
The best way to see this is in action through an example. Table extensions can leverage the same analytics extensions we looked at previously (such as TabPy or Rserve). For the following example, you’ll need to ensure you have TabPy set up and running as we did previously.
One thing you may notice about the Star Trek Episodes dataset is that it contains a Review of each episode. One thing we might want to do with freeform text is to perform sentiment analysis.
Note
Sentiment...