Sachin Wijeratne

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  • Sachin Wijeratne

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Reflecting on Data School Training

I am writing this blog on the last day of training at the Data School. It has been an action-packed 4 months, and it feels...

Using New Spatial Calculations In Tableau

Tableau 2019.3 brought with it some improvements to spatial calculations. In this blog I want to focus on the makepoint, makeline and distance functions. To...

Selection vs Others Set Action in Tableau

Over the past four months, we’ve come across countless ways to visualise data. One method I have found particularly useful to draw insights is the...

Dashboard Week Day 5 – US Museums and Population

Friday marked the final day of dashboard week, and our task was to create a dashboard using data from Enigma Public. The catch was that...

Dashboard Week Day 4 – Global Emigration Patterns

Yesterday marked day 4 of dashboard week, and our task was to create a visualisation using data from the World Bank. However, there was a...

Dashboard Week Day 3 – Power BI and the Titanic

Yesterday marked day 3 of dashboard week, and our challenge for the day was to create a dashboard about the tragedy of the Titanic in...

Dashboard Week Day 2 – Melbourne Cup Fever

Yesterday marked day 2 of dashboard week, and given it was Melbourne Cup day, it was hardly surprising to find out that our task was...

Dashboard Week Day 1 – NSW Traffic Volume Counts API

Yesterday marked the beginning of what promises to be a busy yet exciting week. I will be producing a dashboard everyday, along with a blog...

Dynamic Reference Lines And Parameter Actions

In my last blog, I showed you a few examples of using calculated fields to colour your Tableau dashboard. This time I’m going to illustrate...

Colouring with Calculated Fields in Tableau

When building a Tableau dashboard, the colour scheme is always a key consideration. We know that for discrete values, Tableau will assign a different colour...