Notes on Tableau and Data Visualisation
This post highlights some of the techniques used in this travel planner dashboard that allows you to draw out two routes on a map, select the methods of transport and then compare them by distance and carbon emissions.
With the ability to combine and overlay more spatial data, the Map Layers functionality enables a wider variety of geospatial analyses. This post walks through an example of searching for an Airbnb in London that meets different criteria.
This post and associated workbook describe five methods of adding images to your Tableau visualisations including shapes, viz-in-tooltips, web objects, background images and image objects.
This post explores an approach for implementing hierarchical selections in Tableau which can be used for filtering and highlighting.
Chord diagrams show, in a circular form, the inter-relationships between entities in a matrix. This post describes a method for creating a chord diagram using Tableau Prep and Desktop templates.
This post walks through how to create a drill-down table in Tableau so you can see different levels of granularity at the same time as well as how to create a custom button to go back to the default view.
This blog post walks through some of the design and UX choices in making this visualisation about how different areas of the UK have responded to lockdown.
Buffer spatial functions allow you to perform trade area analysis in Tableau Desktop without any pre-processing of data. This blog explains what buffers are and how to create them.
Animated transitions enable consumers of data visualisations to more easily understand changes between states such as when filtering, sorting or changing levels of granularity.
This post walks through how to create a selection panel using parameter actions, storing all selected items in the same parameter and giving feedback when the max number of items have been selected.
Using a parameter as data source, this blog shows how you can draw sequential points over a grid or on a map with spatial points.
The second beta of 2019.2 includes an upgrade to Parameter Actions, which now allow you to select multiple values and pass an aggregation of those values to a parameter. This blog explains this new feature and walks through an example.
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