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Linear regression
... assumption is violated (i.e. there is heteroskedasticity: the variability of the response depends on ...
http://en.wikipedia.org/wiki/Linear_regression - 37k - Cached - Similar pages

... Engle pioneered the method of autoregressive conditional heteroskedasticity (ARCH) and Granger the method of cointegration ...
http://en.wikipedia.org/wiki/Econometrics - 8k - Cached - Similar pages

Linear regression (Psychology wiki)
... assumption is violated (i.e. there is heteroskedasticity : the variability of the response depends on ...
http://psychology.wikia.com/wiki/Linear_regression - 37k - Cached - Similar pages

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