Notes on Tableau and Data Visualisation
The new Dynamic Zone Visibility feature in version 2022.3 opens up a variety of possibilities for dynamically customising dashboards, showing or hiding charts, filters, images, text, containers and more based on calculations, parameters and the selections of marks.
Two approaches to creating multiples axes in your charts without duplicating the number of marks in the view.
Part 2 of this custom number formatting post covers: large numbers, prefixes & suffixes, currency, localisation and Unicode with many examples.
This post covers an introduction to custom number formatting in Tableau with a variety of examples.
This post shows you how to change the default behaviour of viz-in-tooltips, removing the filter and adding a dynamic reference line using a parameter action.
Horizon charts can show trends across many data series in a relatively small space. This blog steps through a method for creating them in Tableau.
This tutorial video steps through how to create flight path maps in Tableau using spatial functions including MAKEPOINT, MAKELINE and DISTANCE.
This video walks through how to perform spatial analysis by creating a spatial join between multiple data source with the help of various spatial functions, such as Buffer, MakePoint and Distance.
This post steps through how to create labels on highlighted marks only, helping to keep your chart uncluttered but still allowing easy comparisons.
Spatial joins can help you explore geographic relationships between different sources of spatial data. This blog and video walk through an example in Tableau.
In this video, I step through how to use map layers in version 2021.4 to create a three-layer map with polygons, lines and points and also how to use the different map layer options.
This blog shows how you can use MapBox to create a custom background map that only shows a filtered set of countries.
This post explains how you can use background images with conditions in Tableau to visualise data on different floors of a building. Floor plan images and data update dynamically.
This post includes some of my favourite tips to help save time when building dashboards. From keyboard shortcuts to formatting to working with containers.
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.
Needing to switch back to a sheet to use the size slider is not always ideal for making fine grained size adjustments on dashboards. This tip shows how you can use a parameter directly on a dashboard instead.
Version 2021.2 sees the introduction of a new spatial function: Area. This blog and workbook include a few examples along with a couple of cautionary notes.
This post steps through how to create Edward Tufte's dot-dash-plot in Tableau, increasing the data-ink ratio of a standard scatter plot and revealing more insights.
This post walks through the process and Pages History settings to use for creating animated line charts in Tableau
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