[R] What does [[1]] mean?

[Patrick Burns]

Here is a page that should help:

http://www.burns-stat.com/pages/Tutor/more_R_subscript.html

Also Circle 8.1.54 of 'The R Inferno'
http://www.burns-stat.com/pages/Tutor/R_inferno.pdf


On 26/01/2012 18:27, Ajay Askoolum wrote:
> I know that [] is used for indexing.
> I know that [[]] is used for reference to a property of a COM object.
>
> I cannot find any explanation of what [[1]] does or, more pertinently, where it should be used.
>
> Thank you.
>
> 	[[alternative HTML version deleted]]
>
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-- 
Patrick Burns
pburns at pburns.seanet.com
twitter: @portfolioprobe
http://www.portfolioprobe.com/blog
http://www.burns-stat.com
(home of 'Some hints for the R beginner'
and 'The R Inferno')