Granger_cause rank deficiency problem
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Dear All, I have return data on some N companies. I run pairwaise granger causality tests using granger_cause but matlab returns "A is rank deficient to within machine precision" for pretty much any regression. I GARCH(1,1) detrended my returns (so it is not a stationarity problem I would assume). Did anyone run into a similar problem before?
Thanks in advance!
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John D'Errico
2016년 5월 20일
편집: John D'Errico
2016년 5월 20일
Since we do not see your data, how can we know what is wrong with the data? The crystal ball is so foggy today. It just keeps on telling me the answer is 42, but nothing more.
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