Archive forpareto principle

iPareto update

I decided it was time to check my iTunes playlist again (previous update here) to see how well Mr. Pareto predicted my music listening habits.

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iPod plays Feb 2009

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Not too shabbily, as it turns out — he slipped a bit from before, but that’s largely because this time, I decided not to include tracks which I’ve never played.  (There are currently about 400 tracks which for whatever reason have never deserved my time.  :)   )

Another slight difference is that I eventually moved some audiobooks out of my music directory (that would’ve removed about 200 tracks from consideration).

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Content-contribution to online communities

Via Rob Cottingham’s excellent blog, I found 90-9-1, which breaks down contributions to social media websites.  It looks like these follow power law type distributions.

__(’Read the rest of this entry »’)

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Pareto in practise

On a whim, I checked my iTunes library to see if the Pareto principle held.

Of the 2114 playlist items — with a playcount of 34523…
…the top 20% (425 items) were played 25691 times, or 74.4%.

So, Pareto holds!

All in all, not bad for a guy burdened by the name Vilfredo

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