[R] simultaneous equation estimation?

[Ben Bolker]

  [Just to make sure this gets back to the help list] -- to fix this
problem, change 'contrib.url' to 'paste(CRAN,"/src/contrib",sep="")'
throughout -- a fixed version should be up on the site listed earlier.

  Thanks to Brian Ripley for the fix.

On Sat, 17 Nov 2001, John Fox wrote:

> Dear Ben,
>
> Your CRANsearch package seems like a very useful idea, but I've had trouble
> getting it to work; following your examples,
>
>  > library(CRANsearch)
>  > cind <- create.CRAN.index()
> trying URL `http://cran.r-project.org/bin/windows/contrib/PACKAGES'
> Content type `text/plain' length 5677 bytes
> opened URL
> downloaded 5677 bytes
>
> trying URL
> `http://cran.r-project.org/bin/windows/contrib/Descriptions/AnalyzeFMRI.INDEX'
> Error in download.file(paste(descrip, "/", pkg, ".INDEX", sep = ""),
> paste(pkg,  :
>          cannot open: HTTP status was `404'
>  > help.search.CRAN("structur",cind)
> Error in help.search.CRAN("structur", cind) :
>          Can't find CRAN index file to load
>  > help.search.CRAN("structur",cind,packages.only=TRUE)
> Error in help.search.CRAN("structur", cind, packages.only = TRUE) :
>          Can't find CRAN index file to load
>  > help.search.CRAN("2SLS",cind) ## still doesn't work -- experts are better...
> Error in help.search.CRAN("2SLS", cind) : Can't find CRAN index file to load
>  >
>
> This is on a Windows 2000 PC running version 1.3.1 of R.
>
> John
>
> At 11:04 AM 11/16/2001 -0500, Ben Bolker wrote:
> >On Mon, 12 Nov 2001, John Fox wrote:
> >
> > > A more general question that is implicit in many postings to the list is
> > > how to find functions in contributed packages on CRAN. One can use the
> > > help.search function for this purpose to search installed packages, but I'm
> > > unaware of a means for searching the contents of *all* packages. It would
> > > be nice to be able to do so.
> > >
> >
> >   Somewhere within my "bbmisc" package bundle (available from
> >http://www.zoo.ufl.edu/bolker/R/linux or .../R/windows) is a package
> >"CRANsearch".  The function CRAN.create.index() downloads all of the
> >current package descriptions from
> >CRAN, processes them slightly, and stores a local copy.  One can then use
> >a function "help.search.CRAN" to do the equivalent of "help.search" over
> >all of those packages ...
> >
> >   e.g.
> >
> >cind <- create.CRAN.index()
> >help.search.CRAN("structur",cind)
> >help.search.CRAN("structur",cind,packages.only=TRUE)
> >help.search.CRAN("2SLS",cind) ## still doesn't work -- experts are better...
>
> -----------------------------------------------------
> John Fox
> Department of Sociology
> McMaster University
> Hamilton, Ontario, Canada L8S 4M4
> email: jfox at mcmaster.ca
> phone: 905-525-9140x23604
> web: www.socsci.mcmaster.ca/jfox
> -----------------------------------------------------
>
>

-- 
318 Carr Hall                                bolker at zoo.ufl.edu
Zoology Department, University of Florida    http://www.zoo.ufl.edu/bolker
Box 118525                                   (ph)  352-392-5697
Gainesville, FL 32611-8525                   (fax) 352-392-3704

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