Hello all,

I tried to extract the p-value from adf.test in tseries; however, I got the error message such as

> ht=adf.test(list.var$aa)
> ht$p-value
Error in ht$p - value : non-numeric argument to binary operator
> ht

        Augmented Dickey-Fuller Test

data:  list.var$aa
Dickey-Fuller = -2.3147, Lag order = 4, p-value = 0.4461
alternative hypothesis: stationary

> ht$data
[1] "list.var$aa"
> ht$p-value
Error in ht$p - value : non-numeric argument to binary operator
> ht$p
NULL

I do not have problem extracting the data in ht, but why not p-value? Is that because the "-" between "p" and "value"?

Thanks,

Rebecca




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