detrending

In other applications, such as in computing the correlation function and in spectral analysis, it is necessary to remove the trend from the data, a procedure known as detrending, lest the result might be overwhelmed by the nonzero mean and the trend terms; therefore, detrending often is a necessary step before meaningful spectral results can be obtained.

Climate Insensitivity and AR(1) Models « Climate Audit 2007

Instead, two reviewers elaborate lengthy on marginal or irrelevant issues, such as detrending or missing at random.

Bürger and Cubasch Discussion « Climate Audit 2006

S&W, neglecting detrending, claimed that both SFI and GTA were Lévy walks characterized by similar scaling law powers, and therefore were strongly correlated.

Never mind EliRabett 2009

S&W, neglecting detrending, claimed that both SFI and GTA were Lévy walks characterized by similar scaling law powers, and therefore were strongly correlated.

Archive 2009-12-01 EliRabett 2009

Sure, they are able to do it by detrending the series, see the third column in “calibration” for steps 1400-1500.

Bürger Review « Climate Audit 2007

So you have to do a nasty exponential my eyeball of tree ring crap detrending …

Waldo in Africa « Climate Audit 2007

Willis E showed that by detrending and removing a sinusoidal cyclical component from the NATL named storm time series 1851-2006 that the fit to a Poisson distribution improved dramatically.

Bill Gray and the Atlantic Meridional Mode « Climate Audit 2007

Sure, they are able to do it by detrending the series, see the third column in “calibration” for steps 1400-1500.

Bürger Review « Climate Audit 2007

Willis E showed graphically (and I was able to show it with a goodness of fit calculation) that extracting a cyclical component (and detrending)improved the fit.

Bill Gray and the Atlantic Meridional Mode « Climate Audit 2007

Hence, if variance is systematically reduced it is not the regression-type method apart from the detrending that was applied, perhaps some external factor in the independent data such as overfitting.

von Storch et al 2004 in IPCC AR4 « Climate Audit 2007