Message-ID: <18400.61385.146110.630751@stat.math.ethz.ch>
Date: 2008-03-19T10:49:45Z
From: Martin Maechler
Subject: ls() and classes
In-Reply-To: <971536df0803182050p1378ebe2hc8620d5ed703132d@mail.gmail.com>
>>>>> "GaGr" == Gabor Grothendieck <ggrothendieck at gmail.com>
>>>>> on Tue, 18 Mar 2008 23:50:28 -0400 writes:
GaGr> Try:
GaGr> eapply(.GlobalEnv, class)
GaGr> or perhaps
GaGr> unlist(eapply(.GlobalEnv, class))
GaGr> or
GaGr> str(eapply(.GlobalEnv, class))
nice! {and we've also seen the slightly higher-level
'globalenv()' instead of '.GlobalEnv' }
Not really answering Erin's question, I'd like to mention
ls.str()
which had been created in the distant past to be used possibly
in a similar situation to where Erin wanted to get each class.
Martin
GaGr> On Tue, Mar 18, 2008 at 11:39 PM, Erin Hodgess <erinm.hodgess at gmail.com> wrote:
>> Dear R People:
>>
>> I want to get the class of all of the objects in my directory.
>>
>> I was trying:
>>
>> do.call(class,list=ls())
>>
>> but got an "unused argument error".
>>
>> I'm sure it's simple, but I'm just not seeing it.
>>
>> Any help would be much appreciated.
>>
>> Sincerely,
>> Erin
>>
>>
>> --
>> Erin Hodgess
>> Associate Professor
>> Department of Computer and Mathematical Sciences
>> University of Houston - Downtown
>> mailto: erinm.hodgess at gmail.com
>>
>> ______________________________________________
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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
>> and provide commented, minimal, self-contained, reproducible code.
>>
GaGr> ______________________________________________
GaGr> R-help at r-project.org mailing list
GaGr> https://stat.ethz.ch/mailman/listinfo/r-help
GaGr> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
GaGr> and provide commented, minimal, self-contained, reproducible code.