[R] [FORGED] Ask function missing in package car

Fox, John jfox at mcmaster.ca
Wed Jun 22 07:05:02 CEST 2016


Dear Ashim and Marc,

Sorry to chime in late. As Marc suggests, the Ask() function went the way of the dodo before the second edition of the book (coauthored with Sandy Weisberg, and retitled "An R Companion to Applied Regression") was published. 

Best,
 John

-----------------------------
John Fox, Professor
McMaster University
Hamilton, Ontario
Canada L8S 4M4
Web: socserv.mcmaster.ca/jfox


> -----Original Message-----
> From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Ashim
> Kapoor
> Sent: June 21, 2016 7:35 PM
> To: Marc Schwartz <marc_schwartz at me.com>
> Cc: R-help <r-help at r-project.org>
> Subject: Re: [R] [FORGED] Ask function missing in package car
> 
> Dear Mark,
> 
> Many thanks.
> 
> Best Regards,
> Ashim
> 
> On Wed, Jun 22, 2016 at 7:45 AM, Marc Schwartz <marc_schwartz at me.com>
> wrote:
> 
> > According to the NEWS file for the package:
> >
> >   https://cran.r-project.org/web/packages/car/NEWS
> >
> > the Ask() function was removed in car version 2.0-0, which was
> > released on 2010-07-26. So it has been gone for about 6 years.
> >
> > The version of car that is used in the documentation that you are
> > using is 1.2-16, which is from 2009-10-11.
> >
> > So the online documentation source is outdated.
> >
> > I see that the Ask() function is listed in the first edition of John's
> > book, which I have on my shelf, but I don't have the second edition to
> > know if that had been updated. A review of the index for the second
> > edition on Amazon.com would suggest that it was removed for the second
> edition.
> >
> > Regards,
> >
> > Marc Schwartz
> >
> >
> > > On Jun 21, 2016, at 8:29 PM, Ashim Kapoor <ashimkapoor at gmail.com>
> wrote:
> > >
> > > I am reading the book An R and S plus companion to Applied
> > > Regression
> > and I
> > > found this function there.
> > >
> > > Googling gave me the link [1].
> > >
> > > 1. http://svitsrv25.epfl.ch/R-doc/library/car/html/Ask.html
> > >
> > > On Wed, Jun 22, 2016 at 6:57 AM, Rolf Turner
> > > <r.turner at auckland.ac.nz>
> > > wrote:
> > >
> > >> On 22/06/16 13:06, Ashim Kapoor wrote:
> > >>
> > >>> Dear All,
> > >>>
> > >>> my details:-
> > >>>
> > >>>> sessionInfo()
> > >>>>
> > >>> R version 3.3.0 (2016-05-03)
> > >>> Platform: x86_64-pc-linux-gnu (64-bit) Running under: Ubuntu 15.10
> > >>>
> > >>> locale:
> > >>> [1] LC_CTYPE=en_IN       LC_NUMERIC=C         LC_TIME=en_IN
> > >>> [4] LC_COLLATE=en_IN     LC_MONETARY=en_IN    LC_MESSAGES=en_IN
> > >>> [7] LC_PAPER=en_IN       LC_NAME=C            LC_ADDRESS=C
> > >>> [10] LC_TELEPHONE=C       LC_MEASUREMENT=en_IN
> LC_IDENTIFICATION=C
> > >>>
> > >>> attached base packages:
> > >>> [1] stats     graphics  grDevices utils     datasets  methods   base
> > >>>
> > >>> other attached packages:
> > >>> [1] car_2.1-2
> > >>>
> > >>> loaded via a namespace (and not attached):
> > >>> [1] Rcpp_0.12.5        lattice_0.20-33    MASS_7.3-43
> > >>> grid_3.3.0
> > >>> [5] nlme_3.1-128       MatrixModels_0.4-1 SparseM_1.7
> > >>> minqa_1.2.4
> > >>> [9] nloptr_1.0.4       Matrix_1.2-6       splines_3.3.0
> > >>> lme4_1.1-12
> > >>> [13] pbkrtest_0.4-6     parallel_3.3.0     mgcv_1.8-7
> > >>> nnet_7.3-10
> > >>> [17] quantreg_5.24
> > >>>
> > >>>>
> > >>>>
> > >>>    ## Not run:
> > >>>> attach(UN)
> > >>>>
> > >>>> # enter the power-transformation parameter # start with 1 Ask(p,
> > >>>> function(p) qq.plot(box.cox(gdp, p),
> > >>>>
> > >>> +         ylab=paste("transformed gdp, power =",p)))
> > >>> Error: could not find function "Ask"
> > >>>
> > >>>>
> > >>>>
> > >>> What can I do to correct this?
> > >>>
> > >>
> > >> What led you to believe that such a function exists (in the "car"
> > package
> > >> or anywhere else for that matter)?  And what exactly do you want it
> > >> to
> > do
> > >> for you?
> > >>
> > >> cheers,
> > >>
> > >> Rolf Turner
> > >>
> > >> --
> > >> Technical Editor ANZJS
> > >> Department of Statistics
> > >> University of Auckland
> > >> Phone: +64-9-373-7599 ext. 88276
> >
> >
> 
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> 
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