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2012 May 25
1
Problem with Autocorrelation and GLS Regression
...on 1 and 123 DF, p-value: 0.6072 / I did several tests for assessing the quality of the estimation (like breusch-pagan, breusch-godfrey, chow-breakpoint, arch lm tests). The model has now clearly a problem with autocorrelation as you can see in de images below: http://r.789695.n4.nabble.com/file/n4631336/resid_resn.png http://r.789695.n4.nabble.com/file/n4631336/pacf_resid_resn.png To take into account the problem of autocorrelation, I did a gls estimation with an AR(1) process and get the following output: /> summary(gls(ror_resn~ror_spi_resn, correlation=corARMA(p=1), method="ML"...