[R] AR, Plot

[Giovanni Eduardo Romero]

I need help with three (apparently) basic things in R:

1. How to plot two series agains a third one?? (e.g. a Basic "Excel" graph
with two variables)

2. When trying to run AR without constant I get the following (R.0.65.1
Windows):
> data(lynx)
> ar.s1_ar(lynx,order.max=1,demean=FALSE)
Error: Object "nser" not found

It only appears when demean=FALSE, for any data set, order or max)

3. AR function provides a summary such as lm (standard error, t, p-value,
etc)??

Thank you in advance. 

Giovanni E. Romero
Ph.D. student
Department of Economics
University of Toronto


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