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derek

Also, getting rid of those stupid and distracting pictures. It would not have been so bad if they all occupied rectangles of equal size, but one is a rectangle, the next is a quadrangle that leads the eye upwards from the first, and the third is some sort of weird house shape. The whole collection makes it impossible to compare the lines because of the optical illusions caused by the strong picture envelopes.

Even if they had all been rectangles of equal size, there would have been a danger of optical dragging that can be caused by one picture being stronger than another.

Sérgio N

Great blog! One of my recent findings. Thanks!

Btw, what software do you use to plot your graphics?

Jon Peltier

The bottom chart, split into thirds to allow for selective price labels, loses more information in terms of vertical resolution. Too great a price to pay for hardly relevant price information. If you can so easily follow the trends, as in the first reworking of the data, then the closing price built into a series data label is the only price that's really necessary.

Jens Meiert

Quite a good chart junk example. Though, you could of course improve the combined chart (#2) by slightly different lines in case they're viewed/printed without color.

merle

Minor point, but isn't the middle chart mislabeled? It appears that Walgreens and Rite-Aid got switched.

Kaiser

Thanks Merle. It's great to know that some of you are reading the details. I fixed the chart titles.

fatbear

Hate to say it, but there seems to be some basic problem with your charts - i.e., Walgreen's is at 49.64 as I write this, but your chart says it closed recently at 4.51; Rite-Aid is now at 4.72, but the chart has a recent 51.48. Did you by any chance fix the info around the wrong way?

Kaiser

Fixed the wrong chart! This set should be right.

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Marketing analytics and data visualization expert. Author and Speaker. Currently at Vimeo and NYU. See my full bio.

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