On Sep 14, 2010, at 9:29 AM, Alaios wrote:
I would like to thank you very much all that you helped me so far.
So I tried to check how the following works
fred <- list(happy = 1:10, name = "squash")
rep(fred, 5)
This returns the following :
fred[1]
$happy
[1] 1 2 3 4 5 6 7 8 9 10
fred[2]
$name
[1] "squash"
Not on my machine:
> fred <- list(happy = 1:10, name = "squash")
> rep(fred, 5)
$happy
[1] 1 2 3 4 5 6 7 8 9 10
$name
[1] "squash"
$happy
[1] 1 2 3 4 5 6 7 8 9 10
$name
[1] "squash"
$happy
[1] 1 2 3 4 5 6 7 8 9 10
$name
[1] "squash"
$happy
[1] 1 2 3 4 5 6 7 8 9 10
$name
[1] "squash"
$happy
[1] 1 2 3 4 5 6 7 8 9 10
$name
[1] "squash"
What I am trying to do is to address the number 5 of the fred[1]
$happy value.
I tried something like fred[1][5] fred[1,5]
but it didn't work
Almost:
> fred[[1]][5]
[1] 5
I would like to thank you in advance for your help
Best Regards
Alex
________________________________
From: Dennis Murphy <djmu...@gmail.com>
Cc: Rhelp <r-help@r-project.org>
Sent: Tue, September 14, 2010 3:13:37 PM
Subject: Re: [R] Object oriented programming in R.
Hi:
You could create a list of lists, where the outer list would be
between agents
and the inner list within agents. The inner list could have the
'matrices and
one list' as separate components for each agent. Of course, you
would have to be
able to keep all of this straight :)
HTH,
Dennis
Here are some more information:
I would like to create some agents that span over a specific area
map.Every
agent needs to have its own data structures like one or two
matrices and one
list.
I think that the best way to do this is to create objects and every
instance of
an object will be used for a single agent.
The number of agents is not predetermined and it varies for any
execution.
So I read this value from the command line interface and then I
would like to
initiate so many objects as the agents. I think that the best way
to do that is
to create using a for loop a list containing as many objects as the
agents are.
I would like to thank you in advance for your help
Best Regards
Alex
________________________________
From: jim holtman <jholt...@gmail.com>
Cc: Tal Galili <tal.gal...@gmail.com>; Rhelp <r-help@r-project.org>
Sent: Tue, September 14, 2010 1:40:37 PM
Subject: Re: [R] Object oriented programming in R.
It depends on what you mean by objects. If you are just looking at
creating many named variables that are going to hold values (e.g.,
reading in data from several files that you want to correlate
separately), then consider the use of 'lists'. Can you provide a
little more detail on exactly the problem that you are trying to
solve, and then maybe we can propose a solution.
Thank you very much. I checked the tutorials that on that list but
still I do
not know how to create many objects of the same type. Can you
please help me
with that?
Best Regards
Alex
________________________________
From: Tal Galili <tal.gal...@gmail.com>
Cc: Rhelp <r-help@r-project.org>
Sent: Tue, September 14, 2010 10:11:36 AM
Subject: Re: [R] Object oriented programming in R.
Hello Alaios,
I see a bunch of good materials here:
http://www.google.co.il/search?sourceid=chrome&ie=UTF-8&q=Object+oriented+programming+in+R
R
Did you look into them ?
----------------Contact
Hello everyone.
I would like to create many objects with R. Does R support objects?
The number of objects needed is not predetermined and it is a
parameter
specified by the user.
If the user selects to create many objects like 100, would it be
possible to
handle each one by some index?
I would like to thank you in advance for your help.
Best Regards
Alex
David Winsemius, MD
West Hartford, CT
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