There are a few lesser-known features in '. Tableau.' that can greatly enhance data visualization. One of them is the ability to use spatial files, such as ESRI shapefiles or MapInfo files, to create geographic visualizations. This opens up a whole new realm of possibilities for analyzing and visualizing spatial data. Another lesser-known feature is the ability to create custom SQL queries and connect to external databases directly from '. Tableau.'. This allows you to tap into the full power of your organization's data infrastructure and perform complex data transformations and aggregations within '. Tableau.'. These features can greatly expand the scope and complexity of your data visualizations.

One lesser-known feature of '. Tableau.' is the ability to create custom calculations using table calculations. This allows you to perform calculations on the results of other calculations, giving you more flexibility and control over your data visualizations. Additionally, the integration with R and Python in '. Tableau.' allows you to leverage the power of these programming languages for advanced analytics and visualizations. Another powerful feature is the ability to create dynamic parameters, which enable users to interactively adjust data ranges, filters, and calculations in real-time. These features can greatly enhance the interactivity and depth of your data visualizations.