Re: [R] How to avoid "$ operator is invalid for atomic vectors"

From: Jeffrey Horner <jeff.horner_at_vanderbilt.edu>
Date: Thu, 06 Nov 2008 12:28:29 -0600

cruz wrote on 11/06/2008 12:16 PM:
> Thanks for all the responses, they are all very helpful:)
>

>> you don't need to assign dimension or classes to your objects.
>> It's easier if you  do like this

>
> this is something that really bothers me, when I need to define an
> object which i will later fill with data, the dimension of this object
> should not be fixed because it will grow...
>
> so in MATLAB, i.e. we define x = [ ],
> what about in R?

?numeric, ?character, others probably...

x <- numeric()

x[10] <- 42
print(x)
  [1] NA NA NA NA NA NA NA NA NA 42

Does that answer your question?

Jeff

>
> Thanks,
> cruz
>
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-- 
http://biostat.mc.vanderbilt.edu/JeffreyHorner

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Received on Thu 06 Nov 2008 - 18:37:36 GMT

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