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Links 1 through 10 of 34 by Justin Mason tagged statistics

Fantastic comparative number crunching on the JC Decaux Dublin Bikes scheme, compared to their other European cities (Brussels, Lyons, Paris, Seville), times of day, busiest stations, rainfall, etc.

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'The tic-tac-toe lottery was seriously flawed. It took a few hours of studying his tickets and some statistical sleuthing, but he discovered a defect in the game: The visible numbers turned out to reveal essential information about the digits hidden under the latex coating. Nothing needed to be scratched off—the ticket could be cracked if you knew the secret code.'

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'The system demand displayed here represents the electricity production required to meet [Irish] national electricity consumption, including system losses, but net of generators' requirements. It includes power imported via the interconnector and an estimate of the power produced by wind generators, but excludes some non-centrally monitored generation (i.e. small scale CHP).' via Juan Flynn

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Dublin-based musician Ronan Hession argues that the illegal-downloading bogeyman is vapour with a bunch of persuasive stats

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'There is no hypothesis being tested here. It's just graphs, and misleading graphs at that. The sad part is, SEOMoz is as close as the SEO industry comes to real science. They may be presenting specious results in hopes of looking like they know what they're talking about, but at least they are collecting some sort of data. Everything else in the field is either anecdotal hocus-pocus or a decree from Matt Cutts. When you hire an SEO consultant, what you are really paying for is domain experience in the not-failing-at-web-design field.'

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wow. fascinating results from social-network cluster analysis of Facebook, splitting up the entire USA into 7 clusters

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'View real-time data and statistics from any logfile on any server with SSH, in an intuitive and entertaining way', supporting postfix/spamd/clamd logs among loads of others. very cool if a little silly

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'the article in the Washington Post that supposedly gives statistical evidence for vote fraud just won't die in the blogosphere and just got a boost [..] by Tim O'Reilly. The trouble is the analysis is bogus.'

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a statistical measure to calculate "nearness" of items for collaborative filtering, a la "people who bought this also bought this". wonder if this would make a good Bayes p-value combiner in SpamAssassin

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'SABIP refused to answer my questions in emails, insisted on a phone call (always a warning sign), told me that they had taken steps but wouldn’t say what, explained something about how they couldn’t be held responsible for lazy journalism, then, bizarrely, after ten minutes, tried to tell me retrospectively that the whole call was actually off the record, that I wasn’t allowed to use the information in my piece, but that they had answered my questions, and so they didn’t need to answer on the record, but I wasn’t allowed to use the answers, and I couldn’t say they hadn’t answered, I just couldn’t say what the answers were. Then the PR man from SABIP demanded that I acknowledge, in our phone call, formally, for reasons I still don’t fully understand, that he had been helpful. [..] Like I said: as far as I’m concerned, every [dodgy figure] from the [music] industry is false, until proven otherwise.'

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