Find hidden insights in your data: Ask why and why again | @acotgreave

We’ve all encountered a curious little kid who wouldn’t stop asking “why.” But did you ever think that, in the business world, you should actually aim to be that kid? That’s because people — whether we’re talking about children, journalists, scientists, managers or data analysts — don’t succeed by simply asking “what.”


Growing up is irritating, boring at times, and full of responsibilities. The need to consider all sides of an argument and not rush to change the world at every step, moving slowly (if required) in order to not break things, and developing empathy are all qualities that are valued in a mature organizational setting, but so difficult to inculcate for the most of us – me included.

But that’s the reality of the large enterprise world. Things can be ‘cool’ and ‘hip’, but not at the cost of ‘stable’ and ‘scalable’. Brevity and engagement, but not at the cost of clarity and functionality.

When Big Data Means Bad Analytics

When analytics delivers disappointing results, it is often because there is not enough analytic expertise, and/or lack of understanding of a business objectives for using Big Data in the first place. To avoid failure, insist on high standards.

How to Auto-Generate 50 State Maps in Tableau

Recently I fell in love with the small-multiples types of graphs that show each individual state level metrics separated into a grid-style layout. Being the data hacker that I am, I decided to use my rusty JavaScript skills to auto-generate 50 individual state-level maps from one Tableau viz.
Here’s how I did it

Radial Stacked Bar Charts in Tableau | Ryan K Rowland

Once completed, you’ll have the option of displaying your bar chart as absolute values (bottom-right), or as a percent of each segment’s total (left).

The size of the bars, inner circle and gaps between each bar will be adjustable as you see fit per parameters we’ll create.

Click here to view the interactive version on Tableau Public.


Welcome all, to my first ever blog post!

The past couple of weeks I’ve been taking part in a great Tableau community project called #MakeoverMonday. This week’s challenge was to create a visualisation based on the daily opinion polls for the US 2016 election, for which I submitted this (Click image to open interactive version).