I’ve seen it happen many times, but it never ceases to sadden me. An organization starts off with a clear vision and an impervious commitment to excellence, but as it grows, the vision blurs and excellence gets diluted through a series of compromises. Software companies are often founded by a few people with a great idea, and their beginnings are magical. They shine as beacons, lighting the way, but as they grow, what was once clear becomes clouded, what was once firm becomes flaccid, and what was once promising becomes just one more example of business as usual. The prominent business intelligence (BI) software companies of today have become too big to easily change course in necessary ways and too focused on quick wins to ever make the sacrifices that would be needed to do so. Once upon a time, however, these companies were vibrant, filled with the exuberance and promise of youth. As they grew, however, it became harder and harder to maintain their original vision. It’s easy for a few people to share an inspiring vision, but it is difficult for that vision to remain pure when the organization grows to 50, 100, 1,000, or more people. The demands of payroll and release schedules make it easier and easier to justify compromises and to chase near-sighted wins. Add to these challenges the demands of taking a company public and the alchemy seldom produces gold.
What does this have to do with Tableau? I believe that this wonderful company, which I have uniquely appreciated and respected, is losing the clear vision of its youth. Even though Tableau distinguished itself by a courageous commitment to best practices, which I believe is why it has done so well, it now seems to be competing with the big guys by joining in their folly. Tableau seems to have forsaken the road less travelled of “elegance through simplicity” for the well-trodden super-highway of “more and sexier is better.”
Tableau has a special place in my heart. Not long after starting Perceptual Edge, I discovered Tableau in its original release and wrote the first independent review of Tableau 1. I was thrilled, for in Tableau I found a BI software company that shared my vision of visual data exploration and analysis done well. Since then I’ve used Tableau, along with Spotfire, Panopticon, and SAS JMP, to illustrate good data visualization functionality in my courses and lectures. Until recently, I assumed that Tableau, of all these vendors, would be the one mostly likely to continue its tenacious commitment to best practices. However, what I’ve seen in Tableau 8, due to be released soon, has broken my heart. Tableau is now introducing visualizations that are analytically impoverished. Tableau’s vision has become blurred.
I recently received an email promoting the merits of Tableau 8. It included a link to more information, and when I clicked on it, this is what I read:
“Crave More Bling?” I couldn’t believe my eyes. Could I have clicked on a link to SAP Business Objects by mistake? This is not the Tableau that I know and respect. As it turns out, someone in the Tableau’s Marketing Department thought twice about the term “bling” and removed it before my screams reached Seattle, but in truth, whoever called this bling was just being honest; some of the items in this list critique of new visualizations are nothing but fluff.
I won’t write a full review of Tableau 8 here. Despite the problems that I’m focusing on, this version of the software includes many worthwhile and well-designed features. For the time being, it will remain one of the best visual data exploration and analysis tools on the market, but I’m concerned that its current direction does not bode well for Tableau’s future. To express my concern, I’ll focus primarily on three new visualizations that are being added in Tableau 8 and why, in two cases, they should have never been added and, in one case, how its design fails in a fundamental way.
Back in 2008 my friend Marti Hearst, who teaches information visualization and search technologies at U.C. Berkeley, wrote a guest article for my newsletter about word clouds. In the article, Marti described some of the fundamental flaws of word clouds, which she referred to in the article as tag clouds, because these visualizations were always based on HTML tags at the time.
I was confused about tag clouds in part because they are clearly problematic from a perceptual cognition point of view. For one thing, there is no visual flow to the layout. Graphic designers, as well as painters of landscapes, know that a good visual design guides the eye through the work, providing an intuitive starting point and visual cues that gently suggest a visual path.
By contrast, with tag clouds, the eye zigs and zags across the view, coming to rest on a large tag, flitting away again in an erratic direction until it finds another large tag, with perhaps a quick glance at a medium-sized tag along the way. Small tags are little more than annoying speed bumps along the path.
In most visualizations, physical proximity is an important visual cue to indicate meaningful relationships. But in a tag cloud, tags that are semantically similar do not necessarily occur near one another, because the tags are organized in alphabetical order. Furthermore, if the paragraph is resized, then the locations of tags re-arrange. If tag A was above B initially, after resizing, they might end up on the same line but far apart.
Tag clouds also make it difficult to see which topics appear in a set of tags. For example, in the image below, it’s hard to see which operating systems are talked about versus which ones are omitted. Intuitively, to me, it seemed that an ordinary word list would be better for getting the gist of a set of tags because it would be more readable.
Since Marti wrote this article, what was once reserved for HTML tags has become a popular way to display words from many contexts, such as books and speeches. Here’s a word cloud that Tableau is currently featuring on its website to showcase this new addition to Tableau 8:
What this tells me is that the candidates said the following words quite a bit: “people,” “going,” “governor,” “president,” “government,” “we’ve,” “make,” “more,” along with a few others that are legible. These individual words without context are not very enlightening. “More” what? “Going” where?
Filters have been added to this word cloud for selecting words spoken by Obama, Romney, or both candidates and for removing words that were spoken outside a specified number of instances. Combining a word cloud with filters gives it an appearance of analytical usefulness, but the appearance is deceiving. A word cloud is as useful for data analysis and presentation as a cheap umbrella is for staying dry in a hurricane. Assuming that an analysis of these words in isolation from their context is useful, a horizontal bar graph would have displayed them far better. Bars would provide what the word cloud cannot, a relative representation of the values in a way that our brains can perceive. Words differ in length, so in a word cloud a long word that was spoken 100 times would appear much more salient than a short word that appeared the same number of times. You might wonder, “What if there are too many words for a horizontal bar graph?” In that case, another one of Tableau’s new visualizations—a treemap—could handle the job more effectively. More about treemaps later.
Word clouds are fun, but they lack analytical merit. When did Tableau, which was originally developed for visual analysis, become a tool for creating impoverished infographics? Did they add this feature to satisfy one of their prominent UK customers, the Guardian? Whatever the reason, with the addition of word clouds, how many of Tableau’s customers will waste their time trying to analyze data using this ineffective form of display?
Bubbles have their place in the lexicon of visual language, but only when encoding values using the sizes of circles is the best choice available because the most effective means—2-D position (e.g., data points along a line in a line graph) and length (e.g., bars in a bar graph)—cannot be used. This is the case when we display quantitative values on a map, because 2-D position is already being used to represent geographical location and bars cannot be aligned for easy comparison because they cannot share a common baseline when they’re geographically positioned. Bubbles are also useful when, in a scatter plot, which uses horizontal position to represent one variable and vertical position to represent another, we also want to make rough comparisons among the values of a third variable in the form of a bubble plot. Using bubbles by themselves, however, is never the best way to display values, but this is what you’ll soon be able to do with Tableau 8. Here’s a simple example that displays sales per country:
How are sales in South Africa? Yes, it’s there in the list; it just isn’t labeled. We can solve this omission by forcing all of the labels to appear, as follows:
Now, can you find South Africa? Given enough time, you can spot it at the top. What is the value of sales in South Africa? Nothing about the bubble reveals this, but we can hover over the bubble to access its value. We could do this for all the bubbles if we don’t mind taking forever to see what a bar graph would reveal to an approximate degree automatically.
How much greater are sales in the United States than Argentina? Come on, give it a try. Finding it difficult? Try it now using the bar graph below.
We can now see that sales in the U.S. were approximately nine times greater than sales in Argentina.
What if there are too many values to display in a bar graph without having to scroll? Let’s look at larger set of data—sales to 3,356 customers—first using bubbles.
Cool! Assuming they’re all there, that’s a lot of bubbles. What do these bubbles tell us? Some customers buy a lot and some buy little and a bunch buy amounts in between. Anything else? No, that’s pretty much it. And why is only the one bubble that represents Jim Hunt labeled? As we’ll see in a moment, it isn’t the largest.
I can put 3,356 horizontal bars on the screen at once, but they will appear as thin, indistinguishable lines. Also, there won’t be any room for the customer names, but those names don’t appear in the bubble display either, so that’s not a problem. Let’s see how it looks.
This isn’t ideal by any means, but it provides a more informative overview than the bubbles. For example, we can easily see that approximately 10% of the customers made purchases totaling more than,000, approximately 70% of them made purchases totaling less than,000, and approximately half of them made purchases totaling more than,500. We could continue citing similar observations. If we wanted to see and compare individual customers, a sorted, scrolling version of a normal bar graph like the one below would often work when comparing similar values, and we could filter the data to compare specific customers that don’t simultaneously appear on the screen.
When I first learned that packed bubbles would be included in Tableau 8, I immediately sent an email to Chris Stolte, the Chief Development Officer, Pat Hanrahan, the CTO, and Jock Mackinlay, the Director of Visual Analytics. These guys are all respected leaders in the field of information visualization and friends of mine. “Why are you doing this?” I asked with an only slightly veiled sense of disgust.
Chris provided the answers, which I’m sure all make sense to him, but don’t make sense to me. Our perspectives are different. Chris lives and breathes Tableau almost every minute of his life. To the same degree, I live and breathe data visualization, independent of particular products. I believe that a feature should only be added to software that meets the following requirement: it is the best way to do something that really matters. I have the sense that Chris uses a different yardstick. He believes that packed bubbles add value, which he explained as follows:
There were two driving reasons for us building Bubble Charts into the product:
Here’s how I responded to Chris:
When I visited Tableau’s website to find an example of packed bubbles, this is what I found:
A small set of bubbles has been combined with a map and two bar graphs. Do the bubbles provide an effective way to display the causes of fires? Hardly. Obviously, a bar graph would handle the task effectively, but these bubbles cannot. Tableau is not only enabling people to display data in this ineffective way, but by showcasing this example they are encouraging the practice. Damn it, when did Tableau decide to nudge people in useless and potentially harmful directions?
The Marketing Department is even featuring bubbles as the new face of Tableau, as you can see below:
Maybe this is what it took to impress Gartner enough to elevate Tableau to the leaders’ section of the BI Magic Quadrant. What will it take for Gartner to grant them a more prominent position than Microsoft—spinning 3-D pie charts that sing? Once a software company starts down the path of adding silly features to a product, it becomes nearly impossible to remove them. Just ask the folks responsible for the charting features of Excel.
Many months ago, when I first learned that Tableau would be adding treemaps, I welcomed the news, but cautioned them to implement them well and to only nudge people to use them when appropriate. Ben Shneiderman created treemaps to display large numbers of values that exceed the number that could be displayed more simply and effectively using a bar graph. Here’s an example that appears in my book Now You See It that was developed using Panopticon:
What we see here is the stock market. Each small rectangle is an individual stock. The larger rectangles group stocks into sectors of the market (financial, healthcare, etc.). Imagine that the size of each rectangle represents the price of the stock today and the color represents its change in price since yesterday (blues for gains and reds for losses). If it could be done, I’d rather view this information in a bar graph, but if I need an overview that includes all of these stocks, there are far too many values to put in front of my eyes at once using bars. A treemap is called a space-filling display, because it takes full advantage of the available space. A treemap displays parts of a whole and does so in a way that handles hierarchies. In this example, stocks are displayed as a three-level hierarchy: the entire market (level 1), individual sectors of the market (level 2), and individual stocks (level 3). Rectangles within rectangles are used to separate the groups.
A treemap belongs among Tableau’s visualizations, but I expected the implementation to be more thorough and reserved for large sets of values. If we look for examples on Tableau’s website, here’s one that we find:
This is a relatively small set of values. Could they be better displayed using a different graph? You bet. A simple bar graph would do the job. Good data visualization software should never encourage us to display small sets of data as a treemap—never! Here’s another example that’s featured on Tableau’s website:
Imagine how much better this would work using two horizontal bar graphs, side-by-side, with the items in each sorted in the same order.
Besides the fact that we’re being encouraged to use treemaps when they aren’t appropriate, Tableau’s treemap itself suffers from a fundamental flaw: it cannot effectively display values in groups. I’ll illustrate. Imagine that we want to compare sales and profits per customer, so we begin with the following treemap.
The rectangles sizes represent sales and their colors represent profits (green for profits and red for losses, which you can see assuming you’re not color blind). This is a decent start, except for the fact that the labeling seems entirely arbitrary. Let’s continue by breaking customers into continents to show a hierarchy (customers by region), which treemaps were designed to support. When I double-clicked the Continent field, this is what I saw:
Hold on…what just happened? When I added continents, rather than organizing the customers into their respective regions within a single treemap, the visualization automatically switched to separate treemaps of a sort displayed within bars, but little that is useful can be done with this view. The individual rectangles for customers are too small and anonymous without labels to be of much use. Unlike packed bubbles, however, I can imagine occasions when these treemap bars could be enlightening, but I’m concerned that they’ll mostly get used when other forms of display would work better.
When I questioned the folks at Tableau about this, I was told that groups could be formed within a single treemap by dropping a categorical field of data on either the Details or Labels attributes in what Tableau calls the Mark’s card, but I did this and the treemap remained unchanged. After further correspondence, I learned that in addition to dropping the categorical field onto the Mark’s card, you must make sure that it appears in the list prior to other fields that are lower in the hierarchy. By placing Continent on the list before Customer Name, the treemap was rearranged as follows:
This is a step in the right direction, even though something is definitely amiss with the labeling, but it isn’t the view that I expected and wanted. As you can see, the continents are not clearly delineated. To delineate groups clearly, we must relinquish the quantitative value represented by variations in colors (in this case profit) so that discrete colors can be used to represent the categorical groups (in this case continent), resulting in this view:
When I asked Jock about this lack of standard treemap functionality, he replied:
We focused in Tableau 8 on the mapping of data fields to graphic properties rather than the formatting techniques for showing nesting found is some treemap implementations such as border width, spacing, “cushioned” rendering, etc.
I’ve seen many implementations of treemaps, but this is the first one I’ve seen that doesn’t allow values to be easily and clearly grouped.
I’m concerned that Tableau is becoming more and more like other software vendors that prioritize product release schedules over quality. This isn’t the only sign of this that I’ve seen. When brushing and linking (coordinated highlighting) was introduced, it couldn’t support proportional brushing, which in my opinion is essential. It still cannot. When extensive formatting capabilities were introduced, the initial interface was designed as a complicated panel with pages and pages of options, much like an old-fashioned dialog box. I can never remember where the option that I need. They realized that the interface sucked before it was released, but there wasn’t enough time to fix it, and it remains to this day. When they introduced a way to combine different types of marks (bars, lines, data points, etc.) in a single chart, it required a second quantitative scale and axis, even though it is rarely needed. Why? Because this was the easiest way to deliver the functionality based on the underlying architecture of the software. Convenience of development team trumped our needs as users. This approach involves unnecessary steps and a confusing interface, but it has not been fixed.
For years I’ve been encouraging my friends at Tableau to add a box plot to its library of visualizations—a form of display that is fundamental to a data analyst’s needs—but it has never risen high enough in the list, while word clouds and packed bubbles, two useless forms of display, have now been added. Obviously, the guys at Tableau have a different perspective and set of priorities than I do. I believe that mine correlates more closely with the needs of data analysts.
The Story of Show Me
In an early version of Tableau, a great little feature called Show Me was introduced. Show Me remains always available with a list of chart types to assist us in selecting appropriate forms of display. Based on the data we’ve selected, Show Me recommends charts that might be useful.
I have always loved Show Me, but my love for it has waned as it’s gradually grown over-complicated and lost site of its purpose. Rather than suggesting charts that are useful, somewhere along the line Show Me began instead to suggest chart types that are possible. In the beginning, Show Me was simple and elegant, but this is no longer the case. How Show Me has changed represents in microcosm the larger problems that I’ve observed in Tableau as a whole. It is difficult to add features to a product without over-complicating the interface. Good interface design isn’t easy, but it’s necessary.
Below on the right is how Show Me will look in Tableau 8:
It includes 23 types of charts from which to choose. In order, starting at the upper left, the list includes the following:
Show Me has grown to include far too many choices, which undermines its ability to guide us. It has become bloated, awkward, and confusing. I believe that the following shorter list of chart types would serve its purpose more effectively:
This list reduces our choices from 23 to 12. Not bad. Each item on the list actually qualifies as a different type of chart; none are mere variations of another chart on the list with different formatting. Navigating these choices would be so much simpler.
Notice that I left out the pie chart. When the guys at Tableau first added the pie chart to the product, they explained to me that they were doing so only because pie charts are sometimes useful on geographical maps to divide bubbles into parts of a whole. For this sole purpose, there is no reason to include the pie chart in Show Me. Bubbles on maps can easily be subdivided like pies into parts by dropping a categorical field of data onto the color attribute. By including the pie chart in Show Me, people are encouraged to use it when other forms of display, usually a bar graph, would work more effectively.
Also notice that there is no chart type in my list that serves as a combination of marks (e.g., bars and lines). It shouldn’t be necessary to list separate chart types for every possible combination of marks. A good interface would allow us to select a series of values in a graph and change its mark to any type that’s appropriate.
And finally, notice that I’ve removed from the list my own invention, the bullet graph. I did this because a bullet graph can be treated as a variation of a bar graph or a dot plot, which could be easily invoked as a formatting option.
In Show Me, too many charting options are suggested as viable views, often when they’re ineffective. Here’s Show Me again:
The following chart types are highlighted in Show Me because they supposedly provide useful ways to view the two fields of data that I’ve selected: Market and Sales:
Let’s see which views are actually useful based on the data that I’ve selected. We’ve already seen the text table, which is definitely useful.
Here’s what Show Me is calling a heat map:
This isn’t actually a heat map, as I mentioned before, because colors are not being used to encode the values; sizes are. Rarely would we choose to display these four sales values using the sizes of squares.
Here’s a highlight table:
This is slightly more useful as a way to add a visual representation (color) to a text table, but other forms of display will usually work better.
Here’s a treemap:
It would never make sense to display a small set of values such as this as a treemap.
Here’s a horizontal bar graph:
Unless we need precise values, as provided in the text table, this is clearly the most effective way to display these values. Fortunately, this is the chart that’s featured as the best choice by Show Me.
Here’s a stacked bar graph:
Try to compare the stacked market values. To compare them easily and accurately, we would definitely want a regular bar graph. The only time this stacked bar would suffice is when we primarily want to know total sales with only a rough sense of how its divided into markets.
Here’s a pie chart:
Try comparing the slices or determining individual values. This is never going to serve as a useful view of these values.
Here’s a circle view:
Only the bar graph does a better job than this circle view (a.k.a., strip plot). Using the positions of the circles to encode their values works well for our brains.
What’s left? Oh yeah, the new packed bubbles chart. Here it is:
Thank God Tableau decided to add this chart to its Show Me recommendations. Just imagine the enlightening views this will provide! (Yes, I’m being sarcastic.)
Why Is This Happening?
What’s causing Tableau to compromise the integrity of its product? Given the circumstances, here’s a list of the possibilities that I would usually consider:
These are the questions that I would ask about any vendor in these circumstances, but they aren’t questions that I want to consider when trying to understand Tableau. Although no organization is immune to losses in effectiveness as it grows, I’ve always believed that if any software company could stand firm in its vision and commitments, Tableau was that company. The truth is, I really don’t know what’s driving their decisions to compromise the integrity of the product and its usefulness to the world. Even for the folks at Tableau, I suspect that most of the reasons behind their choices are unconscious. I suspect that most of the poor design choices stem from the fact that when people become immersed in a product, their perspective becomes myopic and skewed and they can no longer see the product through the eyes of its users or the guiding lens of best practices.
What criteria should be used to guide product development? A product should never be designed merely to do what’s easy…to do what’s fun for the developer…to do what can be done in the allotted time…to do what will produce the highest revenues…or even to do what people are asking for most. There’s nothing wrong with design that is easy, fun, profitable, or any of the other benefits in this list, but these should not serve as the primary drivers of product design and development.
Here’s a simple guideline for good design: “Design the product to do what’s most useful in the best way possible.”
What’s “most useful?” The fact that customers are asking for something in particular does not in and of itself make it useful. People sometimes want things that are far from useful or they want things to be designed in ways that don’t actually work. Anything that helps us solve real-world problems is useful. Problems are not created equal, however. Solving some problems is more important than solving others. The value of a solution should be tied to its potential for making the world a better place. It not that word clouds and packed bubbles are far down the list of problem-solving features for a visual data analysis product; they aren’t on the list at all.
Great products are never those that try to please everyone and do everything. Rather, they begin with a clear, focused, and coherent vision, and they persistently do what’s necessary to express that vision as effectively as possible without detour or compromise. Based on what I’m seeing, I fear that Tableau is trying to make its product do everything one can imagine doing with data. This can’t be done. It shouldn’t be done. Making the attempt will result in a product that is complicated beyond usability. It is reasonable for Tableau to make it easy for analysts to share the results of their work with others in polished ways by providing basic data presentation functionality, but it doesn’t make sense for the existing product to become a comprehensive platform for the development of infographics. Such a tool would require functionality similar in complexity to Adobe Illustrator, very little of which would ever be needed by a data analyst. If Tableau wants to compete with products such as D3, which provides a flexible programming environment for the development of interactive, web-based infographics, it would make sense to develop a separate tool that integrates nicely with the existing product. Sometimes good design involves setting practical limits and sticking to them.
I believe that Tableau is increasingly veering from the path. It pains me to say so. It’s all right for a company’s vision to evolve, and I’m sure that Tableau’s has in meaningful ways, but what I’ve described doesn’t qualify as progress. If you’re one of Tableau’s customers and you share my opinion, I urge you to make your concerns known. Please join me in reminding the good folks at Tableau that they are better than some of the design choices that they’re currently making.
Wednesday, March 13th, 2013 at 2:36 pm
By Joe Mako. March 13th, 2013 at 10:40 pm
I have used Tableau software for years, and helped thousands of people get the results they need from the software, many times one-to-one. I talk with other Tableau expert users and we attempt to decode all the logic the software uses.
With Tableau version 8 I will continue to do this.
I too hold Tableau to high expectations. When I see things like word clouds and bubble charts in this software that I have invested so much into, something that I am passionate about, I am disappointed too.
It gives me pause, prompting me to consider why I choose Tableau as the software I use every day. My reason for using Tableau is VizQL. If there ever comes a day when Tableau turns their back on VizQL, then their software will hold no value.
I see Tableau v8 as a compromise, they added bling to make people who asked for bling happy, but kept their core. They added fluff that on the outside may look like they have lost their way, but I see it as appeasement. The customers who want these poor practices are paying the bills, enabling the empowerment VizQL provides, and a greater reach for the software, to pass a gatekeeper’s feature checklist.
I have not been happy with Tableau’s marketing for some time, they say many things that I do not agree with, and highlight examples as being wonderful when I think they are horrible examples.
I am more then willing to ignore marketing that I do not agree with, and not use features that I think are a disservice to a user, as long as the core, the VizQL, is there.
There are some really great things the Tableau developers added that make my life using their software better, things such as the speed of table calculations, sheet specific filters, and the killer feature of v8 for me is Data Blending.
These are not surface things, these are how Tableau works under the covers, behind the scenes, and that is where I see strength added to Tableau with version 8.
Unfortunately, version 8 does not yet help with their confusing data densification logic, and some cases compounds the confusion, so hard stuff is still hard.
The behind the scenes work that Tableau software does is not perfect, but I know of no other software that enable the Cycle of Visual Analysis the way Tableau does. Tableau makes my life with data a joy.
From what I can tell, Tableau v8 is a rewrite of their code in a new development environment one that will enable a future version of Desktop to work on Mac OS and Server to work on Linux They are not there today, but I can clearly see them working in that direction.
I can see Tableau cares, but I think version 8 is a compromise.
I am thankful you have collected your thoughts here, I am full agreement many of your points, and I look forward to Tableau’s response.
By Stephen Few. March 15th, 2013 at 5:27 pm
I appreciate your thoughtful and passionate defense of the work that you’re doing at the Guardian. We clearly disagree, however, about your responsibility as an editor and the effects of the poor data visualizations that you often showcase in the Show and Tell section of your Datablog. This is the logo that appears at the top of the Datablog’s main page:
Facts are indeed sacred, if by facts you’re referring to those that are true. We don’t treat things that are sacred in the way that facts are sometimes treated in your blog. In the introduction for Show and Tell, you say: “Welcome to Show and Tell, our new site highlighting the best of the world of infographics and data visualisations on the web.” Let’s take a look.
In my most recent visit to your site, this is the first visualization that I found featured there:
This is a linear arrangement of bubbles (circles) that are meant to represent the percentages on Catholics in various countries. Only the table that appears above the graphic, however, is useful. The graphic suggests that circles of various sizes as shown here is an effective way to graphically represent the values and the differences between them. As you know, this graphic is an ineffective quantitative display. Where have you pointed out or even suggested that this graphic isn’t effective or shown a more effective way to display these values?
Here’s the next visualization that I found:
The caption for this says: “Twitter users grouped into tribes, annotated with words typically used by each group.” Can you think of more effective graphical ways to tell this story? I can. This is eye-candy, pure and simple. When people see examples like this and believe what you’ve said, that these are examples of the best infographics and data visualizations on the web, they will emulate them. What a waste.
I know that I’m being hard on you. That’s because you’re an editor for an influential news publication. You can do better than this. It’s your job to do better than this. I’m not saying that you’re a bad guy. I’m saying that you’re missing a wonderful opportunity to make the world a better place by actually doing what you claim: to use your Show and Tell section of your Datablog to show a curated set of great infographics and data visualizations. If you do that, I’ll praise what you’re doing.
You cannot dismiss my perspective as “dogma.” I am not dogmatic. I know all about dogma. I was raised in a fundamentalist religion. I was told, “This is the way it is because we say so, and if you question what we say, you risk going to hell.” I clawed my way out of dogma and now believe in a scientific view of the world. We discover what’s true through research, based on evidence. Science has informed the use of graphics for presenting data. If we want to progress in our ability to find, understand, and present the stories that live in data, we should take advantage of these scientific findings, using them as the foundation on which to then build ever better methods. Many of the examples in your blog are encouraging people to ignore science and emulate practices that we know don’t work. My attempts to discourage this are not examples of dogma, they are the compassionate advice of a teacher who wants to help people do better.
By Stephen Few. March 15th, 2013 at 6:18 pm
It’s often difficult when you’re a part of an organization to be heard. According to Jesus, “A prophet has no honor in his own country.” Sometimes I can go into an organization and say exactly the same thing that someone on the inside has been saying for years without success and people suddenly listen. Why? Because I’m from the outside and they’re paying me for advice, so to ignore me would create cognitive dissonance.
When people are accustomed ineffective forms of display, they need to be shown a better way before they can be convinced to change. They also need to be willing to open their eyes and see, which isn’t always the case. People who care about doing their jobs well, however, are willing to listen. Those folks can be shown better ways through examples and explanations. Regarding dual-scaled graphs in particular, people can learn to use them effectively, so there’s no reason to wean them of this approach if it works for them. What I mostly warn people about in regards to dual-scaled graphs is their use when presenting data to people who may be confused or misled by them, such as the general public.
I understand that in your role, you will not always be able to give people the most effective solutions when they insist otherwise. You do what you can do. You courteously push and prod. If you can do most of your work well, you may be able to tolerate the few occasions when suboptimal work is forced upon you. If the balance tips to far in the direction of work that is unacceptable because you know it does harm, if you can’t change this, then you have no choice but to tolerate it in the meantime while you search for other opportunities. One of the greatest joys in life is the opportunity to do good work. You owe it not only to yourself but also to your employer to do good work. When your employer doesn’t support that, your employer doesn’t deserve you.
Regarding your warehouse inventory example, I’ve been there many times during the course of my career. I often did work to support people who were supposedly experts in their jobs but sometimes did their work in ineffective ways that weren’t obvious to them but were obvious to me because I had particular skills or a perspective that they lacked. If the people that you’re working with respect the fact that you bring something to the table that they lack, then they’ll accept your help. If they see you as nothing more than an automaton that does what they tell you without question, then you’re out of luck if you can’t convince them otherwise. Do your best to show that, even though you can’t do their jobs, you bring an area of expertise that is different from theirs that could be helpful. Smart people are will be open to this if you demonstrate appropriate humility.
Regarding the appropriate response from Tableau when customers ask them to do things that don’t work, my answer is simple: “Always do what’s in the best interest of the customer, not what the customers wants.” Giving customers what they want may win the sale, but if it hurts the product, it won’t keep those customers happy for long and it certainly won’t win smart customers. The vendor is never without a choice. Making bad choices out of a sense of necessity or convenience is hard to stop once you begin down that path.
The folks that I know at Tableau are all good, smart, well-meaning, and talented. As I said in my blog post, however, when organizations grow, it because increasingly difficult to keep good intentions and smart decisions on track. As others have commented, people from many other BI software companies have joined the swelling ranks at Tableau and have brought with them the perspectives of those other companies. Some of those perspectives muddle the works. It is hard to keep a vision pure and vivid under these circumstances. When I last visited the folks at Tableau to take an early look at Tableau 8 during the alpha stage of development, I was asked to give a talk to the development organization because, as the organization was growing, many of the new folks were not aware of the basic principles of effective data visualization and it was getting harder to keep the ship on course. A common vision that is pure and vivid is necessary. I doubt that Tableau is making decisions that I consider bad strictly for revenues or because customers are asking for features that Tableau recognizes as bad. I believe that it’s more likely that they themselves are merely losing touch with what matters and what works as they become more and more immersed in the product and less able to step back and get the lay of the land.
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