Report builders are often in situation that they are presented with data about products revenue like : Then they are asked to visualize that data graphically in their report. Unfortunately, they will also very often try to do that in unappropriate way, with Pie charts.  Edward Tufte in “The Visual Display of Quantitative Information” wrote that […]

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There are a number of discussions on the net about why so many Business Intelligence (BI) projects fail. Some studies claim that it’s about 80% of unsuccessful projects. So, the right question is – what is the main reason (s) ?   First, there is a “political” reason: If BI implementation is not adequately supported […]

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Za kraj Q1 ove godine BusinessQ će doživjeti novu verziju. U njoj će se nalaziti mnoga poboljšanja, ubrzavanja algoritama, ali i potpuno nove funkcionalnosti i opcije vizualizacije podataka. Jedna od njih je i ScatterPlot. Ovaj tip grafa služi da se na vrlo brz način uoče eventualne korelacije među brojčanim podacima (mjerama, metrikama). O čemu se […]

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  There is an interesting project going on – A Farce with numbers. Organizer asked students to locate resources that showed how graphs and charts can mislead. What is (I think) very educational is that he also asked them to look at color theory, word-image association, juxtaposition, and other aesthetic methods of influencing meaning and interpretation. Unlike […]

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Naomi Robbins on Forbes.com presented a graph and a table and asked readers to present alternatives. I choose to improve this graph: The main reason is because there are far better ways to display this kind of information. I present 2 alternatives: 1) first of which is better to present part-in-the whole  percentages of social media […]

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Yesterday I stumbled upon an article on storytellingwithdata.com.  I quote the author: “I was surprised reading this article how many stats were included and yet how few visuals. Only one graph, in fact: My challenge to you is this: read the article and determine what data you find most interesting then visualize it. You can remake the above […]

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On Visual Analytics Group on LinkedIn there is an interesting discussion going on: “Based on the popularity of the Brian Bedrick’s “Looking for a Better Way to Display This Graph” post I thought it would be interesting to post another small data set and see what people come up with. I’ve found what I think […]

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Croatian parliamentary election 2011 is over. In all media now it is time to explain the results and to visualize statistics and quantative values. We can see various graphs on TV or in newspapers. Unfortunatelly, only small portion of  those graphs are really explanatory with insights and scientific precision. For example, today I can read […]

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Today in one Croatian newspaper I stumbled upon this graph. It is showing a distribution and comparison of gasoline prices over regions for two types of  gasoline. On first look, there is nothing wrong at all with this graph: Then we examine further, let’s say upper graph for ‘Eurodizel’ gasoline. Graphs encode data as visual […]

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