Pfaff, Bernhard Dr. wrote: > Pfaff, Bernhard Dr. wrote: > > >>Dear R-Devel subscriber, >> >>first, let me express my thank to the R-Core team for the new release! > > I > >>appreciate their efforts and time spent to enhance R. >>In accordance with the 'NEWS' file (see excerpt of it below), >> >>[... >>o Changed the environment tree to be rooted in an empty >> environment, available as emptyenv(). baseenv() has been >> modified to return an environment with emptyenv() as parent, >> rather than NULL. >> >>... >> >>o Use of NULL as an environment is deprecated and gives a warning. >>...] >> >>I detected the warning message as announced for a couple of > > contributed > >>packages, e.g. >> >>library(ape) >>library(car) >>library(chron) >>library(urca) > > > > Not so for me. Are you sure you have reinstalled those packages under > R-2.3.0? > > Uwe Ligges > > > Dear Uwe, > > thank you for your hint. That fixes the warnings for packages 'ape', > 'car' and 'chron' issued formerly. However, even after a fresh install > the warnings still show up for the packages 'VLMC' and 'urca', as an > example. > Any further clues are most welcome.
OS? R release? and please report the result of packageDescription("urca") packageDescription("VLMC") Uwe Ligges Hello Uwe, here is the detailed information: > R.version _ platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status major 2 minor 3.0 year 2006 month 04 day 24 svn rev 37909 language R version.string Version 2.3.0 (2006-04-24) Package: urca Version: 0.9-2 Date: 2006-02-25 Title: Unit root and cointegration tests for time series data Author: Bernhard Pfaff <[EMAIL PROTECTED]> Maintainer: Bernhard Pfaff <[EMAIL PROTECTED]> Depends: R (>= 2.0.0) Imports: nlme, methods, graphics, stats LazyLoad: yes Description: Unit root and cointegration tests encountered in applied econometric analysis are implemented. License: GPL version 2 or newer URL: http://www.r-project.org Packaged: Sat Feb 25 19:34:29 2006; bp Built: R 2.3.0; ; 2006-03-03 21:12:31; windows -- File: C:/R/package/urca/DESCRIPTION > packageDescription("VLMC") Package: VLMC Version: 1.3-9 Note: ===== vlmc.version in R/vlmc.R Date: 2005-10-06 Author: Martin Maechler <[EMAIL PROTECTED]> Maintainer: Martin Maechler <[EMAIL PROTECTED]> Title: VLMC -- Variable Length Markov Chains Description: Functions, Classes & Methods for estimation, prediction, and simulation (bootstrap) of VLMC -- Variable Length Markov Chain -- Models Depends: stats, MASS License: GPL version 2 or later Packaged: Thu Oct 6 15:00:09 2005; maechler Built: R 2.3.0; i386-pc-mingw32; 2006-03-03 19:04:48; windows -- File: C:/R/package/VLMC/DESCRIPTION Both packages have Depends/Imports directives in their DESCRIPTION files. Now, I do get the following for VLMC if I do a 'library(MASS)' first: > library(MASS) Warning message: Verwendung der NULL Umgebung ist veraltet > library(VLMC) > and likewise for urca: > library(nlme) Warning message: Verwendung der NULL Umgebung ist veraltet > library(urca) > > Best, > Bernhard > > >>Now, I am wondering what would be a suitable/elegant way to fix the >>packages' code such that the warning does not appear any longer. I am >>adressing this question to R-devel, because this might also be of >>interest for other package mainatiners. >> >>Many thanks in advance for any hints and pointers. >> >>Regards, >>Bernhard >> >> >> >> >>Dr. Bernhard Pfaff >>Global Structured Products Group >>(Europe) >> >>Invesco Asset Management Deutschland GmbH >>Bleichstrasse 60-62 >>D-60313 Frankfurt am Main >> >>Tel: +49(0)69 298 07230 >>Fax: +49(0)69 298 07178 >>Email: [EMAIL PROTECTED] >>***************************************************************** >>Confidentiality Note: The information contained in this > > mess...{{dropped}} > >>______________________________________________ >>R-devel@r-project.org mailing list >>https://stat.ethz.ch/mailman/listinfo/r-devel > > ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel