Creating Spatial Joins in Tableau - a TUTORIAL on joining polygons and points in Tableau

Learn how to create a spatial join in Tableau between two spatial files, one with polygons and one with points. I'll also step through how to create an interactive dashboard to filter the spatial data and highlight it on a map with two map layers.

Related blog post with explanatory images and an introduction to spatial joins: https://bit.ly/3HF8vdc

💾 Data sources
Link to the Mauritius spatial data if you want to follow along: https://bit.ly/32AAlIt

📊 Visualisations
Completed workbook on Tableau Public: https://tabsoft.co/32SqmOJ

📌 Chapters
00:00 - Intro - Dashboard with map layers
00:28 - Reminder of map layers with separate data sources
00:47 - Add the First Data Source
01:12 - Add a Second Data Source as a Connection
01:31 - Creating a Relationship
01:55 - Open Physical Layer
02:09 - Create Spatial Join
02:27 - Review Join Results and Fields
03:19 - Build the Map
03:56 - Add Second Map Layer (Spatial Points)
04:36 - Change Mark Type to Circle & Format
04:51 - Create Bar Charts for Dashboard
05:13 - Right-click Drag Field to Select Aggregation
05:57 - Replace Field & Keep Formatting
06:30 - Build the Dashboard
07:16 - Add Quick Filter Actions

Social Media Links
Blog:        https://datavis.blog  ➝ Tableau tips and tutorials
Twitter:    Twitter: datavisblog
Portfolio: https://public.tableau.com/app/profil...
LinkedIn: LinkedIn: marcreiduk

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