Andy Cotgreave
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Short Bio:
I'm Andy Cotgreave, Technical Evangelist at Tableau. I write about data visualisation on this blog, for Computer World and on the Tableau blog.

For my latest thoughts, follow me on Twitter (@acotgreave).

Find a portfolio of writing, speaking and blogging on Pinterest.
Tableau Software
Job Title:
Senior Technical Evangelist
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Andy Cotgreave's Blog

Data without Emotion Doesn't Bring about Change

Posted on May 4, 2016 at 11:17am 2 Comments

"There is no evidence that anybody has been converted by a pie chart."

So said Martin Palmer, secretary general of the Alliance of Religions and Conservation, on BBC’s Beyond Belief.

He went on to say, "People are converted by stories, by narrative, by emotion, by an appeal to the heart."

This was a discussion about climate change and the Pope’s encyclical on the issue.…


3 Trends in Data Storytelling

Posted on April 6, 2016 at 9:26am 0 Comments

Data storytelling is undergoing a big change, one that will influence not only data journalism but also how data is shown in the business world. And 2016 will only accelerate this trend.

Five years ago, data journalism focused on rich interactives designed primarily for a monitor or laptop screen. Those interactives were complete applications, destinations to be browsed. You could explore, drill down, filter, and play with them. This was a rich experience in the days when we used a…


Fit the Chart to the Story, Not the Data

Posted on March 24, 2016 at 9:00am 1 Comment

"Hey, Andy, check out this data I have. What's the best chart to show it?"

I get asked this question a lot. My answer is always the same: It depends. This is partly because it depends on the audience, the purpose, and the type of data you have. What is most important is that your choice of chart is determined by the story within the data just as much as it is by anything else. Just because you have geographical data, it doesn't mean you should make a map.



Why I Ditched My Fitbit and What This Means for Analytics

Posted on March 15, 2016 at 2:00pm 5 Comments

When I first got a Fitbit, it was amazing.

My daily dashboard, focusing mostly on a 10,000-step target, was incredibly motivating. Was I hitting the target? Answer: sometimes. Connecting with friends added great gamification. I began making different choices in my daily routine to take more steps. When I lost my first tracker, Fitbit sent me a free replacement. Wow! What more could I ask from this dream company?

Over time, however, I…


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