The IPCC relied on a combination of studies, some making determinations based on historical data, others basing their results on climate model output.

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All forecasts are shown in the table below and are based on a model incorporating the previous data points of the Case-Shiller series and the September Zillow data on the Zillow Home Value Index and national foreclosure resales.

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The data-mining software is partly based on a model the SEC developed to trawl through hedge fund returns for signs of Bernard Madoff-style chicanery.

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The old model of IT is based on storing massive amounts of data and then trying to find it.

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But if one looks at a much more robust set of data based on a much wider variety of countries, one gets both a model with much better fit, and with a very different message.

FORBES: John Mauldin's Muddled Stock Return Model

Based on this correlation, the economists built a statistical model that provided estimates of GDP levels for regions and countries without reliable economic data based solely on the satellite images.

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