it is also a fortune.
> fortune('parse')
If the answer is parse() you should usually rethink the question.
-- Thomas Lumley
R-help (February 2005)
On Thu, Dec 27, 2012 at 5:44 AM, Heramb Gadgil <heramb.gad...@gmail.com> wrote:
> I am not sure why "Never ever!"
>
> Can you please elaborate. What are the negatives about the method
>
> Warm Regards,
> Heramb M. Gadgil
>
>
> On Thu, Dec 27, 2012 at 3:50 PM, Uwe Ligges <lig...@statistik.tu-dortmund.de
>> wrote:
>
>>
>>
>> On 27.12.2012 08:09, Heramb Gadgil wrote:
>>
>>> eval(parse(text=paste0("**cvtest$",lambda.rule)))
>>>
>>
>> No, never ever!
>>
>> There is an R idiom made for it:
>>
>> cvtest[[lambda.rule]]
>>
>> Uwe Ligges
>>
>>
>>
>>
>>
>>
>>
>> I hope this works.
>>>
>>> On Wed, Dec 19, 2012 at 12:57 AM, Thomas Stewart
>>> <tgs.public.m...@gmail.com>**wrote:
>>>
>>> Soyeon-
>>>>
>>>> A possible solution:
>>>>
>>>> get(lambda.rule,envir=**list2env(cvtest))
>>>>
>>>>
>>>> On Tue, Dec 18, 2012 at 12:34 PM, Soyeon Kim <yunni0...@gmail.com>
>>>> wrote:
>>>>
>>>> Dear my R friends,
>>>>>
>>>>> I want to get a number from a list using paste function.
>>>>> In my example,
>>>>> lambda.rule <- "lambda.1se"
>>>>> cvtest is a list (result from cv.glmnet)
>>>>> and
>>>>> cvtest$lambda.1se
>>>>> [1] 1.308973
>>>>>
>>>>> I want to call the value using paste function.
>>>>> I used get function but there was an error.
>>>>> test <- get(paste("cvtest$",lambda.**rule, sep=""))
>>>>> Error in get(paste("cvtest$", lambda.rule, sep = "")) :
>>>>> object 'cvtest$lambda.1se' not found
>>>>>
>>>>> Do you guys know how to solve this issue?
>>>>>
>>>>> Thank you so much in advance and merry Christmas!
>>>>>
>>>>> Soyeon
>>>>>
>>>>> ______________________________**________________
>>>>> R-help@r-project.org mailing list
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>>>>> PLEASE do read the posting guide
>>>>> http://www.R-project.org/**posting-guide.html<http://www.R-project.org/posting-guide.html>
>>>>> and provide commented, minimal, self-contained, reproducible code.
>>>>>
>>>>>
>>>>>
>>>>>
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>>>>
>>>> ______________________________**________________
>>>> R-help@r-project.org mailing list
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>>>> PLEASE do read the posting guide
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>>>> and provide commented, minimal, self-contained, reproducible code.
>>>>
>>>>
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>>>
>>> ______________________________**________________
>>> R-help@r-project.org mailing list
>>> https://stat.ethz.ch/mailman/**listinfo/r-help<https://stat.ethz.ch/mailman/listinfo/r-help>
>>> PLEASE do read the posting guide http://www.R-project.org/**
>>> posting-guide.html <http://www.R-project.org/posting-guide.html>
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@r-project.org mailing list
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
--
Jim Holtman
Data Munger Guru
What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.
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