You are right. I do take backups. But, this time I was too sure that nothing will go wrong. But, this was over-confidence. I need to take more care in future. Thanks anyway.
With regards, Dr. A.K. Singh On Thu 26 Apr, 2018, 11:49 PM Duncan Murdoch, <murdoch.dun...@gmail.com> wrote: > On 26/04/2018 1:54 PM, Akhilesh Singh wrote: > > My thanks to Dr. John Fox and Dr. Duncan Murdoch. But, I have upgraded > > all my R-3.4.3 libraries to R-3.5.0, and I have not backed-up copies of > > old version. So, I would give a try each to the solutions suggested by > > John Fox and Dengan Murdoch. > > Here is some unsolicited advice: I would strongly recommend that you > make it a higher priority to have backups available. In my experience > computer hardware is becoming quite reliable, but software isn't, and > the person next to the keyboard isn't either. (My last desperate need > for a backup was due to a hardware failure 2 years ago, but it wasn't > the manufacturer's fault: my laptop accidentally drowned.) > > Backups can save you a lot of grief in the event of a mistake, or a > software or hardware failure. But even in the case of routine events > like software updates that don't go as planned, they can save time. > > Duncan Murdoch > > > > > > With regards, > > > > Dr. A.K. Singh > > > > On Thu 26 Apr, 2018, 9:44 PM Duncan Murdoch, <murdoch.dun...@gmail.com > > <mailto:murdoch.dun...@gmail.com>> wrote: > > > > On 26/04/2018 10:33 AM, Fox, John wrote: > > > Dear A.K. Singh, > > > > > > As you discovered, the data.table package has an error under R > > 3.5.0 that prevents CRAN from distributing a Windows binary for the > > package. The reason that you weren't able to install the package > > from source is apparently that you haven't installed the R > > package-building tools for Windows. See > > <https://cran.r-project.org/bin/windows/Rtools/>. > > > > > > Because a number of users of my Rcmdr and car packages have > > contacted me with a similar issue, as a temporary work-around I've > > placed a Windows binary for the data.table package on my website at > > < > https://socialsciences.mcmaster.ca/jfox/.Pickup/data.table_1.10.4-3.zip>. > > You should be able to install the package from there via the command > > > > > > > > install.packages(" > https://socialsciences.mcmaster.ca/jfox/.Pickup/data.table_1.10.4-3.zip";, > repos=NULL, type="win.binary") > > > > > > I expect that this problem will go away when the maintainer of > > the data.table package fixes the error. > > > > You can see the errors in the package on this web page: > > > > https://cloud.r-project.org/web/checks/check_results_data.table.html > > > > Currently it is failing self-tests on all platforms except r-oldrel, > > which is the previous release of R. I'd recommend backing out of R > > 3.5.0 and going to R 3.4.4 if that's a possibility for you. > > > > Yet another possibility is to use a version of data.table from > Github, > > which is newer than the version on CRAN and may have fixed the > errors, > > but that would require an installation from source, which not every > > Windows user is comfortable with. > > > > Duncan Murdoch > > > > > > On 26-Apr-2018 9:44 PM, "Duncan Murdoch" <murdoch.dun...@gmail.com > > <mailto:murdoch.dun...@gmail.com>> wrote: > > > > On 26/04/2018 10:33 AM, Fox, John wrote: > > > Dear A.K. Singh, > > > > > > As you discovered, the data.table package has an error under R > > 3.5.0 that prevents CRAN from distributing a Windows binary for the > > package. The reason that you weren't able to install the package > > from source is apparently that you haven't installed the R > > package-building tools for Windows. See > > <https://cran.r-project.org/bin/windows/Rtools/>. > > > > > > Because a number of users of my Rcmdr and car packages have > > contacted me with a similar issue, as a temporary work-around I've > > placed a Windows binary for the data.table package on my website at > > < > https://socialsciences.mcmaster.ca/jfox/.Pickup/data.table_1.10.4-3.zip>. > > You should be able to install the package from there via the command > > > > > > > > install.packages(" > https://socialsciences.mcmaster.ca/jfox/.Pickup/data.table_1.10.4-3.zip";, > repos=NULL, type="win.binary") > > > > > > I expect that this problem will go away when the maintainer of > > the data.table package fixes the error. > > > > You can see the errors in the package on this web page: > > > > https://cloud.r-project.org/web/checks/check_results_data.table.html > > > > Currently it is failing self-tests on all platforms except r-oldrel, > > which is the previous release of R. I'd recommend backing out of R > > 3.5.0 and going to R 3.4.4 if that's a possibility for you. > > > > Yet another possibility is to use a version of data.table from > Github, > > which is newer than the version on CRAN and may have fixed the > errors, > > but that would require an installation from source, which not every > > Windows user is comfortable with. > > > > > > Duncan Murdoch > > > > > > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
