How Many Bubbles are Too Many Bubbles?

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Bubble Chart Mistakes - Dont use too many bubbles in your graphsIn How Many Links are Too Many Links, O’Reilly radar shows us this unfortunate bubble chart. (click on the image to see a bigger version)

I say unfortunate for the lack of a better word without sounding harsh.

Just in case you are wondering what that chart is trying to tell (which is perfectly fine)

Nick Bilton, who constructed this chart, got curious and went to the top 98 websites in the world and found out how many links they have on their home page. Then he used charting tools like processing to create the bathing bubbles you are seeing aside.

The conclusion ?

Too many bubbles can drown you. And also, top web sites have lots and lots of links on their home pages.

But seriously, apart from looking really pretty, does this chart actually provide that conclusion?

I think Nick and the O’Reilly radar team could have much better with a simpler and fortunate chart selection.

A histogram of # of links on popular home pages

like the one below would have been very easy to read and get the point.

Histogram - Links on Popular Home Pages - a better alternative

I showed some dummy data in the histogram, but when you create 2 histograms, one for popular sites (ranked below 5000) and one for not-so-popular sites (>5000) you can easily make the point and use the bubbles for a warm bath.

A better alternative is to show a scatter chart

with site rank on one axis and # of links on home page on another axis, that way a conclusion like Top Sites Links More can be easily established.

Scatter Graph - Showing that Top Sites Link More

Even a bar chart with number of links on each home page

could have been better than umpteen bubbles
Ordered Bar Graph Showing Number of Links on Home Pages
You could easily add a bar with “avg. number of links on non-popular sites” to contrast the linking behaviour of large sites wrt small sites.

But alas, we are treated to an unfortunate bubble chart that does nothing but look pretty (and ridiculously large)

What do you think ? How many bubbles are too many ?

Recommended Reading on Bubble Charts: Travel Site Search Patterns in Bubbles, Good Bubble Chart about the Bust. Olympic Medals per Country

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30 Responses to “Great News: Chandoo becomes MVP”

  1. arkangel says:

    Congratulations! It's well deserved. 🙂

  2. Bhars says:

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  3. Frederick says:

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  4. Harish Chotai says:

    Thanks for the excel calendar. Is it possible to get a simple big fonted calendar printable on an A4 size paper without any distracive notes or visuals? BTW, I have already signed up for your newsletter. With warm regards and
    Gratefully yours
    50+ year old CHarish.

  5. Pankaj Verm says:

    Hey Chandoo,

    Great to hear that. Congratulations! The best new year gift, I would say. Keep it up, u've been doing extraordinary work for the excel users community.

    Regards,

    Pankaj Verma

  6. Amit says:

    Congrats dude... fantastic news!

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    congratulations! your site is great, this is well deserved

    Rich

  8. Arnold says:

    I recently found your site, I visit many. The tips that you provide are in the top 1% of all the sites I visit. Keep on Excelling.

    Arnold
    South Africa

  9. Jorge Camoes says:

    Congratulations, Chandoo! That's a great way to start the year and make the PHD even better.

  10. Jiri Cihar says:

    Congratulations, Chandoo.

    Your site is one of most useful on the net. Happy new year and lot of ideas you will present for us.

  11. Amit Agarwal says:

    Congrats.

    Just read your name in an email from Abhishek. Well deserved.

  12. Jon Peltier says:

    Congratulations, and Happy New Year.

  13. Fchaves says:

    Greetings from Rio de Janeiro my friend! You trully deserve it!

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    FC

  14. Santosh says:

    That was quite forseeable , so you have now really got your PhD in excel.
    Anyways Chandoo you have made excel a real Fun doo
    I will like you to write some more on INDEX and MATCH function in near future.

  15. Ketan says:

    @Hey Chandoo ! Congrates....

    Ab to treat mangta hai !

  16. Rajiv Thakur says:

    Well deserved Chandoo!!

  17. Cheryl says:

    Congrat's!! Very well deserved 🙂

  18. azmat says:

    i always browsed mr.excel and used to see MVP writtne below names of people who used to solve queries in excel forum there......i just used to admire as to what they have special in them that they are MVP......

    but now i got my answer...............u deserve it man..........

  19. Chandoo says:

    @All: thanks everyone 🙂

  20. JP says:

    Congratulations Chandoo, nice job!

  21. Subbaraman says:

    Chandoo,

    A well deserved recognition and a good start to the New Year. Continue your good work.

    Subbu

  22. Vishal Haria says:

    Many Congratulations.
    You deserve a Ph.D. 🙂

  23. Govar says:

    Congrats dude. Rock on!

  24. [...] charting community in 2007 and has been growing strongly ever since. In year 2009, I have received the MVP award from Microsoft. Just few days back I have become a dad [...]

  25. Respected sir,

    I am impressed!.... Good job done.. Keep it up...

    Sir, How to be a MVP certified person. What level of knowledge is required for it? send me links if possible.

    Please reply...

    Regards,
    Dipak Khalasi.

  26. Jon Peltier says:

    Dipak -

    The first thing you need to cultivate is the ability to search the web effectively. You could start by Googling "Microsoft MVP". 

  27. [...] boy and girl which has been made hectic and incredibly fun ever since to their life.He has been awarded MVP status in 2009 by Microsoft(and renewed in 2010,2011 & 2012).His MVP profile is here.If you want to contact him direct then [...]

  28. Sumit says:

    Congrats Chandoo!!

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