Thanks to all.
The previous examples included a couple of extra "" causing the str error.
This works fine now.
Would you consider adding this to the documentation?
I find the documentation/wiki coverage a bit short. These examples help
a lot.
Quoting Laurent Gautier on 06/11/2008 05:57 PM:
> import rpy
>
> foo = rpy.r.list(a=1, b=2, c=3)
> rpy.r["names"](foo)
>
> tmp = rpy.r["names<-"](foo, ['d', 'e', 'f'])
>
> rpy.r.str(tmp)
> List of 3
> $ d: int 1
> $ e: int 3
> $ f: int 2
>
>
> 2008/6/11 Renato Alves <[EMAIL PROTECTED]>:
>
>> Still can't get it to work... Am I missing something?
>>
>> b <- r("'rownames<-'")(b, a)
>> TypeError: 'str' object is not callable
>>
>> I'm with RPy version 1.0.3 [R version 2.7.0 (2008-04-22)]
>>
>> Quoting Warnes, Gregory on 06/11/2008 05:34 PM:
>>
>>> Sorry, I gave you the wrong magic
>>>
>>> x <- r("'rownames<-'")(x, foo)
>>>
>>> -G
>>>
>>> On 6/11/08 12:01PM , "Renato Alves" <[EMAIL PROTECTED]> wrote:
>>>
>>>
>>>
>>>> Hi Gregory,
>>>>
>>>> I've been trying to understand how to do the equivalent with the
>>>> colnames function... without much success.
>>>>
>>>> I haven't been able to use your suggestion. I always get the error:
>>>> unexpected '[' in "["
>>>>
>>>> Apart from this, is <- valid python syntax? Or did you meant to say = ?
>>>>
>>>> An example like this in the documentation would be very helpful.
>>>>
>>>> Thanks
>>>>
>>>> Quoting Gregory Warnes on 06/09/2008 05:42 PM:
>>>>
>>>>
>>>>> As for changing he names on an existing object, you can't use the
>>>>> rownames(x) <- foo syntax trick in python. Internally R converts
>>>>> function calls of this sort to
>>>>>
>>>>> "[<-rownames"(x, foo)
>>>>>
>>>>> Given this fact, you can use
>>>>>
>>>>> x <- r("[<-rownames")(x, foo)
>>>>>
>>>>> to change the rownames.
>>>>>
>>>>> -G
>>>>>
>>>>>
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