On Sun, 2010-11-28 at 07:58 -0800, Stephen Liu wrote: > Hi David, > > Thanks for your advice. I got it. > > But I can't resolve:
*sigh* The packages are listed in alphabetical sort order, hence AER comes before car comes before datasets comes before Ecdat... You just need to page-down through the list of package data sets to see later ones. Seriously, and I don't mean to be rude, but instead of scatter-gun replies to the list, try engaging your brain and actually look *properly* at what is displayed... G > > library(AER) > Loading required package: car > Loading required package: MASS > Loading required package: nnet > Loading required package: survival > Loading required package: splines > Loading required package: Formula > Loading required package: lmtest > Loading required package: zoo > Loading required package: sandwich > Loading required package: strucchange > > > data() > displays "Data sets in package ‘AER’:" > > But; > > library(Ecdat) > > data() > displays "Data sets in package ‘datasets’: > a large datasets including those in package "Ecdat"? NOt only Ecdat > separately. > > B.R. > Stephen L > > > > > ________________________________ > From: David Winsemius <dwinsem...@comcast.net> > > Cc: Stefan Grosse <singularit...@gmx.net>; r-help@r-project.org > Sent: Sun, November 28, 2010 11:16:34 PM > Subject: Re: [R] How to remove a package. > > > On Nov 28, 2010, at 7:16 AM, Stephen Liu wrote: > > > Hi Stefan, > > > > Tks for your advice. > > snipped > > > Installation went through w/o problem. > > > >> library(Ecdat) > >> data() > > > > Data sets in package ‘datasets’ NOT 'Ecdat' > > > >> ??Ecdat > > ... > > Ecdat::Caschool The California Test Score Data Set > > Ecdat::Griliches Wage Datas > > Ecdat::MCAS The Massashusets Test Score Data Set > > Ecdat::MunExp Municipal Expenditure Data > > Ecdat::Orange The Orange Juice Data Set > > Ecdat::Solow Solow's Technological Change Data > > Ecdat::TranspEq Statewide Data on Transportation Equipment > > Manufacturing > > .... > > > > > > Those files are in Ecdat packages. > > > >> Caschool > > Error: object 'Caschool' not found > > > >> MCAS > > Error: object 'MCAS' not found > > Because loading the package does not necessarily register the datasets: > > > require(Ecdat) > Loading required package: Ecdat > > data() #------> produces a large list including > Car Stated Preferences for Car Choice > Caschool The California Test Score Data Set > Catsup Choice of Brand for Catsup > Cigar Cigarette Consumption > > str(Caschool) > Error in str(Caschool) : object 'Caschool' not found > > > data(Car) > > str(Car) > 'data.frame': 4654 obs. of 70 variables: > $ choice : Factor w/ 6 levels "choice1","choice2",..: 1 2 5 5 5 5 > 2 5 5 2 ... > $ college : num 0 1 0 0 0 0 1 1 0 1 ... > $ hsg2 : num 0 1 1 0 1 0 1 0 0 0 ... > > Note that this dataset was NEVER spelled "car". > > ______________________________________________ > 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. -- %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% Dr. Gavin Simpson [t] +44 (0)20 7679 0522 ECRC, UCL Geography, [f] +44 (0)20 7679 0565 Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ UK. WC1E 6BT. [w] http://www.freshwaters.org.uk %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% ______________________________________________ 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.
