[R] assign object to list
Prof Brian Ripley
ripley at stats.ox.ac.uk
Fri Jan 20 13:58:34 CET 2006
On Fri, 20 Jan 2006, Prof Brian Ripley wrote:
> On Fri, 20 Jan 2006, Christian Bieli wrote:
>> Dear all
>> I want to generate a list like this:
>> a <- data.frame(1:10)
>> attr(a,'myattribute') <- 'something'
>> b <- data.frame(11:20)
>> attr(b,'myattribute') <- 'anything'
>> mylist <- list(a,b)
>> Is there a way to place the dataframes into the list giving them the
>> attribute at the same time?
> Yes, the above worked.
>> lapply(mylist, attributes)
>> lapply(mylist, function(x) attr(x, "myattribute"))
> show you they are there.
Or perhaps you were looking for
Brian D. Ripley, ripley at stats.ox.ac.uk
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
More information about the R-help