[R] Removing description from lm()

[Duncan Murdoch]

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])

Duncan Murdoch