Nutter, Benjamin wrote: > So if I understand you correctly, if I include in my namespace file the > command importFrom(MASS, stepAIC), whenever stepAIC is called from > my package, it will still run even if I haven't explicitly imported the > MASS package?
Yes. > Or if I use the command import(survival) then the functions in > the survival package will work within my functions even without > explicitly loading the package? Yes. Uwe Ligges > Thanks for the help. > > Benjamin > > -----Original Message----- > From: Uwe Ligges [mailto:[EMAIL PROTECTED] > Sent: Saturday, November 17, 2007 12:04 PM > To: Nutter, Benjamin > Cc: [EMAIL PROTECTED] > Subject: Re: [R] How do I import packages with the package I've built? > > There is a difference between importing a namespace and loading a > package: > > If you import functions from a namespace into your package, these > functions are known within that namespace, i.e. functions from your > package's namespace know the other functions and can use them. The user > still won't see those imported functions while working on the top level. > If you want the latter, you have to load the other package explicitly, > e.g. in your .onLoad directives. > > Uwe Ligges > > > Nutter, Benjamin wrote: >> I have successfully completed building a package to contain the >> functions I commonly use. However, I need to have other packages >> installed in order for some of my functions to work. I've been > studying >> the instructions on installing packages for about a month now, but > still >> haven't figured this one out. From what I do understand, to import >> additional packages I need some combination of commands in my >> DESCRIPTION and NAMESPACE files. Currently, these are what mine look >> like: >> >> DESCRIPTION >> Package: myPackage >> Type: Package >> Title: Commonly used functions. >> Version: 1.0 >> Date: 2007-11-08 >> Author: My Name >> Maintainer: My Name <[EMAIL PROTECTED]> >> Description: Blah Blah Blah >> License: R 2.3.0 >> Depends: MASS, survival >> >> >> NAMESPACE >> export(func1, func2, ... , funcx) >> >> import(MASS, survival) >> >> >> These pass all the checks, and the package installs just fine, but it >> doesn't load MASS and survival when I load myPackage. What am I doing >> wrong? >> >> Benjamin >> >> >> P Please consider the environment before printing this e-mail >> >> Cleveland Clinic is ranked one of the top hospitals >> in America by U.S. News & World Report (2007). >> Visit us online at http://www.clevelandclinic.org for >> a complete listing of our services, staff and >> locations. >> >> >> Confidentiality Note: This message is intended for > use\...{{dropped:13}} >> ______________________________________________ >> R-help@r-project.org mailing list >> 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. > > > =================================== > > P Please consider the environment before printing this e-mail > > Cleveland Clinic is ranked one of the top hospitals > in America by U.S. News & World Report (2007). > Visit us online at http://www.clevelandclinic.org for > a complete listing of our services, staff and > locations. > > > Confidentiality Note: This message is intended for use > only by the individual or entity to which it is addressed > and may contain information that is privileged, > confidential, and exempt from disclosure under applicable > law. If the reader of this message is not the intended > recipient or the employee or agent responsible for > delivering the message to the intended recipient, you are > hereby notified that any dissemination, distribution or > copying of this communication is strictly prohibited. If > you have received this communication in error, please > contact the sender immediately and destroy the material in > its entirety, whether electronic or hard copy. Thank you. > ______________________________________________ R-help@r-project.org mailing list 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.
