Dear friends, I have a csv data entitled GFS in the following path: c:\TEG This data is attached with this mail. When I wrote the following lines:
y=read.csv("c:\\TEG\\GFS.csv", header=FALSE, sep=";") purtest(y, pmax = 4, exo = "intercept", test = "hadri") I obtained the following message: Error in Math.factor(x) : cumsum not meaningful for factors In addition: There were 50 or more warnings (use warnings() to see the first 50) where's the problem? can you please help me Thank you in advance George
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