Thanks, Dan!

The package is "assist" which can be downloaded from the following link:

http://cran.r-project.org/src/contrib/Archive/assist/

The one I chose was assist_3.1.2.tar.gz

I have changed this file to .zip and installed it from local directory
through R. However, this method is still not working.

Thanks a lot for your kind help!

Best regards,
Zuofeng












2013/8/19 Daniel Nordlund <djnordlund@frontier.com>

> > -----Original Message-----
> > From: r-help-bounces@r-project.org [mailto:r-help-bounces@r-project.org]
> > On Behalf Of Shang Zuofeng
> > Sent: Monday, August 19, 2013 1:26 PM
> > To: r-help@r-project.org
> > Subject: [R] How to rebuild an R package that has been removed from CRAN?
> >
> > Dear All,
> >
> > My project requires the use of a specific R package. However, this R
> > package has been removed from CRAN. But its older version can be found.
> > Unfortunately, the older version cannot be used. The thing is, after I
> > downloaded the older version and unzip it into the library folder of  R,
> > and I input library("package name"), it says that the package "is not a
> > valid installed package".
> >
> > After an intensive search, I found a possible solution: to rebuild this R
> > package so that it may work properly. I have no idea how to make this
> > achieved because of my little experience on rebuilding an R package.
> >
> > I highly appreciate your help.
> >
> > Sincere thanks.
> > Zuofeng
> >
>
> Well, you haven't told us enough to let us help you.  Given that you have
> a zip file, I will assume for the moment that you are using some variant of
> MS Windows.  I don't think you want to unzip that file directly.  I think
> you want open R, go to the packages menu and choose install package from
>  local zip file.  Whether that will work depends on your version of R, your
> OS, the requirements of the package, why it was removed from CRAN, and a
> host of other things.  If you want more detailed help, you need to provide
> the "at a minimum" info requested in the posting guide.  It would also help
> if you told us what package you are trying to install.
>
> Dan
>
> Daniel Nordlund
> Bothell, WA USA
>
>
>

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