[R] Removing description from lm()

[billy am]

Thank you both very much. It is the unname that is what I am looking for.
Thanks!

Btw , must the [1] be there? I am writing a Shiny web app hence I would
like to display the value alone.

Thanks!

> unname(lm(x~y)$coefficient[1])[1] 0.5714286> coef(lm(x~y))["(Intercept)"](Intercept)
  0.5714286


>





On Sun, Oct 5, 2014 at 9:09 PM, Uwe Ligges <ligges at statistik.tu-dortmund.de>
wrote:

>
>
> On 05.10.2014 15:02, Duncan Murdoch wrote:
>
>> On 05/10/2014, 7:21 AM, billy am wrote:
>>
>>> Hi ,
>>>
>>> When I run the following code , I get both the description and the value
>>> ,
>>> eg : Intercept and 0.5714286.
>>>
>>> Is there a way to extract just the value 0.5714286? Thanks!
>>>
>>>
>>>  x <- c(1,5,3,1)> y <- c(5,8,2,3)> lm(x~y)
>>>>
>>> Call:
>>> lm(formula = x ~ y)
>>>
>>> Coefficients:
>>> (Intercept)            y
>>>       0.5714       0.4286
>>>
>>>> lm(x~y)$coefficient[1](Intercept)
>>>>
>>>    0.5714286
>>>
>>>
>> It's a name, not a description.  The result is a named vector.
>>
>> To get rid of the name, call unname() on it, i.e.
>>
>> unname(lm(x~y)$coefficient[1])
>>
>
> I guess the OP is going to use the name (here "(Intercept)" without the
> quotes) to extract the value, hence (also using the extractior function
> coef()):
>
> coef(lm(x~y))["(Intercept)"]
>
> Best,
> Uwe Ligges
>
>
>
>
>> Duncan Murdoch
>>
>> ______________________________________________
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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.
>>
>>

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