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January 26, 2011

a visualization of the major platform gains/losses for developers in 2010:

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over 1 year ago Dennis Moore responded:

Interesting visualization, but two questions:
1. What is the source of this data?
2. What is the x-axis scale (is that percentage points)?

If the x-axis scale is %, and we have Windows down -0.08%, I'm guessing the margin of error could be much larger than the bars in this chart.

THANKS!

over 1 year ago Mike Bergelson responded:

I'd guess that the x-axis is in whole numbers, i.e., -0.08 = an 8% drop. That seems more reasonable to me.

Having said that, I agree that this chart is a bit under-labeled. Understanding the source and meaning of the data would be very helpful.

over 1 year ago stephen o'grady responded:

stephen o'grady

I've refreshed the graphic to hopefully be more clear. Mike is correct: the x-axis represents whole number changes.

As for your question on the source, Dennis, the I've updated the chart to reflect the fact that it comes from our RedMonk Analytics data, which is an aggregation of all of the traffic across the various RedMonk properties.

One other question I got was on the % of change in Linux and Mac. Essentially, both platforms were flat on the year. Linux gained a mere .18% while Mac was up less than a percentage point at .93%.

over 1 year ago Dennis Moore responded:

Thanks for the update. I've been looking at job posting data for a while (e.g., http://dbmoore.blogspot.com/search/label/jobs ), and I'm going to do an update soon. I think job posts would tend to have a different shape to the data, where Windows share is likely very stable, Unix and some other variants declined, Linux has grown, and iOS/Android has grown dramatically. Of course, most jobs are not posted for OS's, but instead for languages, apps, databases, frameworks, etc. Interesting analysis - THANKS!

- Dennis

over 1 year ago stephen o'grady responded:

stephen o'grady

For more context on the graphic above:

http://redmonk.com/sogrady/2011/01/27/here-comes-mobile/