Re: [R] masked from package:base?

From: August Berg <berg.august_at_gmail.com>
Date: Fri 02 Dec 2005 - 22:31:12 EST

On 12/1/05, Arne Henningsen <ahenningsen@email.uni-kiel.de> wrote:
>
> On Friday 02 December 2005 02:50, August Berg wrote:
> > I am confused by the following description in
> >
> http://www.maths.lth.se/help/R/.R/library/systemfit/html/hausman.systemfit
> .
> >html
> >
> > what does the "Not run" mean?
>
> This means that the command "library( systemfit )" is not executed when
> the
> package is checked by "R CMD check".
>
> @Jeff: I think we should remove "library( systemfit )" from the example
> section, because everybody should know this.
>
> > if we do not load systemfit, how can we run
> > the following code?
> >
> > ## Not run: library( systemfit )
> >
> > data( kmenta )
> > attach( kmenta )
> > ...
> >
> > I install the package of systemfit, and run the code.
> >
> > I got the warning:
> > > library( systemfit )
> > > data( kmenta )
> > > attach( kmenta )
> >
> > The following object(s) are masked from package:base :
> >
> > q
>
> The data set "kmenta" has a (column) name called "q"
> R> names(kmenta)
> [1] "q" "p" "d" "f" "a"
>
> If you attach these data to the search path, there are two objects with
> the
> name "q": the quantity from Kmenta's data set and the function to quit R.
> Hence, attaching this data set masks the function "q" (quit) from the
> package
> called "base". However, you don't have to worry, because "q()" and "?q"
> still
> work as expected.
>
> @Jeff: Since using "attach" is often troublesome, I suggest that we remove
> "attach( kmenta )" from the example section and use "systemfit( ..., data
> =
> kmenta )" instead.
>
> Best wishes,
> Arne
>
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@stat.math.ethz.ch mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide!
> > http://www.R-project.org/posting-guide.html

Sorry for a basic question: if I want to use my own data set to test the function, what should I do?

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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri Dec 02 22:39:55 2005

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