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Jon Peltier

I thought the article by Avinash was a bit too wide-eyed with wonder at all the great new things, including pie charts and Excel 2007 (in a comment about halfway down).

As usual, Junk Charts has cut through the gaga effect with a thoughtful and practical analysis of the visualization alternatives.


Amazon's review bar graph is nice, but it does allow itself more space to give its more subtle message. I liked the approach of a review aggregator called summize.com, who presented their summary of reviews in the form of a stacked bar graph that took up little more space than the five stars of a conventional average. The five colors were red-orange-yellow-lime-green, and a strong consensus was distinguishable at a glance from a more distributed or controversial result.

Unfortunately the company seems to have changed from a review aggregator to a Twitter search tool, so I can't link to anything relevant on their site.


I find the overall ratings for technical books in Amazon fairly useless. Often the low ratings are given by people who simply can't understand the book because they don't have the maths skills to cope with graduate level statistics texts. See reviews of "Structural Equation Modelling: A Bayesian Approach" for an example. And those that rate the US postal service not the book, giving two stars because their book took two weeks to arrive are very misguided.


actually for the bounce rate website it is ok less bounce rate is better so if it is to the right and green it is fine (it means you have less visitors quitting on a single page access)

Avinash can be quite happy about simple things sometimes, but he usually knows what is good and whats not, I.E. for the pie he says that it is merely a prop to illusatrate the numbers, nothing else.

Sometimes charts are just that, visual support to you numbers, and not meant to be shown without any numbers.

if a chart is not a part of a daily report/dashboard, as long as I can read it and also get the numbers I dont mind ;)

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Kaiser Fung. Business analytics and data visualization expert. Author and Speaker.
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