[R] 'URCA' is not a valid package Error

From: Leyla Biondini <biondini_at_bigpond.net.au>
Date: Mon, 07 Apr 2008 10:06:28 +1000

Thank you Matthieu for your helpful suggestions. Unfortunately I still have problems.
I have tried to compile it via your suggestion.

this is strange... you should have the usual summary... I have on my machine
test2<-ur.df(nottem, type="none", lags=1) summary(test2)

When I type in "library(urca)" I receive the following.
"Error in library(urca) :

  'urca' is not a valid package -- installed < 2.0.0?" When I type in "installed.packages()" the ONLY package with NA entries is URCA.  Suggests Built

tcltk      NA                                  "2.6.2"
tools      NA                                  "2.6.2"
urca       NA                                  NA     
utils      NA                                  "2.6.2"
I have tried to kill the session and start again but to no avail. I have installed "Package: r-cran-urca (1.1-6-1) [universe]" from the ubuntu website for use in Windows.

My R version is 2.6.2.
Thanks in advance for your help,

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