search for: n4120161

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2011 Nov 17
3
R help
Hello: I have some trouble making a prediction from an AR(p) model. After I have the AR(p) model fitted , I want to use a new data set to make predictions. But I get the error: Error in newdata - object$x.mean : non-numeric argument to binary operator. A small version of my original data looks like: X1 X2 X3 X4 40813.65 1 10 41.86755 40813.65 1 8 41.86755 40813.66 1 8 41.86755