I am not familar with the unique terminology of R. What I mean with a variable is a sort of a reference which points to a function or a value.
Daehyok Shin > -----Original Message----- > From: Prof Brian Ripley [mailto:[EMAIL PROTECTED] > Sent: Monday, June 21, 2004 AM 10:26 > To: Shin, Daehyok > Cc: [EMAIL PROTECTED] > Subject: RE: [R] A way to list only variables or functions? > > > What is a `variable'? R has object,s some of which are function and all > are variable or not depending where they are located. > > On Mon, 21 Jun 2004, Shin, Daehyok wrote: > > > Glad to know useful functions. > > How about adding lsv.str function to list only variables bound > to values? > > In my opinion, we are more interested in values than functions in the > > process of data analysis. > > > > In addition, the simple solution of Grothendieck to display > only names of > > objects has its own practical value. > > > > Daehyok Shin > > > > > -----Original Message----- > > > From: Prof Brian Ripley [mailto:[EMAIL PROTECTED] > > > Sent: Sunday, June 20, 2004 PM 12:03 > > > To: Shin, Daehyok > > > Cc: [EMAIL PROTECTED] > > > Subject: RE: [R] A way to list only variables or functions? > > > > > > > > > On Sun, 20 Jun 2004, Shin, Daehyok wrote: > > > > > > > Neat! Thanks. > > > > > > Note that these are not correct, as the get is not done from the > > > correct environment. The function ls.str I pointed you to is correct. > > > > > > > How about incorporating this support into standard commands, ls() or > > > > objects()? > > > > > > Well, there already is ls[f].str. > > > > > > > Daehyok Shin (Peter) > > > > > > > > > -----Original Message----- > > > > > From: Gabor Grothendieck [mailto:[EMAIL PROTECTED] > > > > > Sent: Sunday, June 20, 2004 AM 10:06 > > > > > To: [EMAIL PROTECTED]; [EMAIL PROTECTED] > > > > > Subject: RE: [R] A way to list only variables or functions? > > > > > > > > > > > > > > > > > > > > > > > > > These two functions will list the functions and variables > > > > > respectively: > > > > > > > > > > ls.funs <- > > > > > function(env=sys.frame(-1))unlist(lapply(ls(env=env),function(x)if > > > > > (is.function(get(x)))x)) > > > > > > > > > > ls.vars <- > > > > > function(env=sys.frame(-1))unlist(lapply(ls(env=env),function(x)if > > > > > (!is.function(get(x)))x)) > > > > > > > > > > > > > > > To use: > > > > > > > > > > ls.funs() > > > > > ls.vars() > > > > > > > > > > > > > > > Date: Sat, 19 Jun 2004 22:59:57 -0400 > > > > > From: Shin <[EMAIL PROTECTED]> > > > > > To: R Help <[EMAIL PROTECTED]> > > > > > Subject: [R] A way to list only variables or functions? > > > > > > > > > > > > > > > I am curious if there is any way to list only variables or > > > functions in > > > > > current environment, rather than listing all objects? Thanks. > > > > > > > > > > -- > > > > > Daehyok Shin (Peter) > > > > > Geography Department > > > > > Univ. of North Carolina-Chapel Hill > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > No banners. No pop-ups. No kidding. > > > > > > > > > > > > > > > > > ______________________________________________ > > > > [EMAIL PROTECTED] mailing list > > > > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > > > > PLEASE do read the posting guide! > > http://www.R-project.org/posting-guide.html > > > > > > > > > > -- > > Brian D. Ripley, [EMAIL PROTECTED] > > Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ > > University of Oxford, Tel: +44 1865 272861 (self) > > 1 South Parks Road, +44 1865 272866 (PA) > > Oxford OX1 3TG, UK Fax: +44 1865 272595 > > > > > > > > -- > Brian D. Ripley, [EMAIL PROTECTED] > Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ > University of Oxford, Tel: +44 1865 272861 (self) > 1 South Parks Road, +44 1865 272866 (PA) > Oxford OX1 3TG, UK Fax: +44 1865 272595 > > ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
