4 Features of Tableau
- Tableau connects to any data source such as Excel, plain text file, PDF, databases, big data and other unstructured data.
- It has capability to process the connected data in real time mode to generate results as well as store the data in its own database in Tableau server.
- Tableau is popular for its data visualization capability among users and it offers 24 different types of visualizations.
- Visualizations are created in the form of interactive worksheets and dashboards.
- There can be multiple worksheets and dashboards in a screen and they can remain interconnected internally on common data.
- Filters can be applied to any worksheets to view a limited number of records on the screen.
- Selection criterion or filter conditions of any dashboard or worksheet can be altered by the user and Tableau refreshes the data in that dashboard as well as the interconnected dashboard automatically. This way users can have a holistic view of the data as per the latest selection in all the dashboards without having to change them individually.
Various types Filters are available to the users and they are
- Extract filter: It gives option to change the conditions of data extractions.
- Data Source filter: It filters data at data source level and it is different from extract filter
- Context filter: It is an independent filter that create a separate datasetfrom the original data and more such filters can be used to further filter the dataset created earlier.
- Dimension filter: Filter the records on a dimension field and it is non aggregated filter
- Measure filter: Aggregated measures of a data can be used as filter.
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