On Dec 11, 2009, at 1:20 PM, Peng Yu wrote:
> On Fri, Dec 11, 2009 at 11:51 AM, Steve Lianoglou
> wrote:
>>
>> On Dec 11, 2009, at 12:36 PM, Peng Yu wrote:
>> [snip]
>>
> What seems confusing to me is:
> even 'x[i]<-list(NULL)' and 'x[[i]]<-list(NULL)' are different, why
> x[i]<-NU
On Fri, Dec 11, 2009 at 11:51 AM, Steve Lianoglou
wrote:
>
> On Dec 11, 2009, at 12:36 PM, Peng Yu wrote:
> [snip]
>
What seems confusing to me is:
even 'x[i]<-list(NULL)' and 'x[[i]]<-list(NULL)' are different, why
x[i]<-NULL and x[[i]]<-NULL are the same?
Shouldn't the m
On Dec 11, 2009, at 12:36 PM, Peng Yu wrote:
[snip]
>>> What seems confusing to me is:
>>> even 'x[i]<-list(NULL)' and 'x[[i]]<-list(NULL)' are different, why
>>> x[i]<-NULL and x[[i]]<-NULL are the same?
>>>
>>> Shouldn't the meaning of 'x[[i]]<-NULL' be defined as the set the i'th
>>> element
On Fri, Dec 11, 2009 at 11:27 AM, Steve Lianoglou
wrote:
> Hi,
>
> On Dec 11, 2009, at 12:07 PM, Peng Yu wrote:
>
>> http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-set-components-of-a-list-to-NULL_003f
>>
>> The explanation on this FAQ entry is not clear. It says '... similarly
>> for name
Hi,
On Dec 11, 2009, at 12:07 PM, Peng Yu wrote:
> http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-set-components-of-a-list-to-NULL_003f
>
> The explanation on this FAQ entry is not clear. It says '... similarly
> for named components...'. What I understood was x[i]<-list(NULL) is
> the s
http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-set-components-of-a-list-to-NULL_003f
The explanation on this FAQ entry is not clear. It says '... similarly
for named components...'. What I understood was x[i]<-list(NULL) is
the same as x$a_name<-list(NULL). But, they are not. As the exampl
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