Re: [R] accessing list components with a variable

2007-07-16 Thread Jeffrey J. Hallman
the_list[[comp]]

David C. James [EMAIL PROTECTED] writes:

 Let's say I have a list called the_list consisting of three components:
 the_list$component_1
 the_list$component_2
 the_list$component_3
 
 Now, I want to access it using a variable called comp.
 comp - component_1
 
 I'm looking for some function that let's me do this:
 unknown_function(the_list, comp)
 
 Which should do the same thing as:
 the_list$component_1
 
 Any ideas?  I'd be open to other ways of doing this, too.  I explored  
 this way, but it didn't seem to get me anywhere:
 the_list$component_1
 
 I possibly could have gotten further along if I knew how to do  
 evaluation in R.
 
 Thanks,
 David
 
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-- 
Jeff

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[R] accessing list components with a variable

2007-07-13 Thread David C. James
Let's say I have a list called the_list consisting of three components:
the_list$component_1
the_list$component_2
the_list$component_3

Now, I want to access it using a variable called comp.
comp - component_1

I'm looking for some function that let's me do this:
unknown_function(the_list, comp)

Which should do the same thing as:
the_list$component_1

Any ideas?  I'd be open to other ways of doing this, too.  I explored  
this way, but it didn't seem to get me anywhere:
the_list$component_1

I possibly could have gotten further along if I knew how to do  
evaluation in R.

Thanks,
David

__
R-help@stat.math.ethz.ch 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.