[R] lm function - strange error

John Kane jrkrideau at inbox.com
Fri Nov 9 20:15:29 CET 2012


Tessa,

Would you please leave in the context --that is your early remarks and mine?

Most of us on the R-help list do no use nabble and it is really annoying to have to go there to see what was discussed.  I suspect that a lot of readers just don't bother and nabble users lose a lot of possible help that way.

In any case, I think your problem  is a typo in the document.  

 My first suggestion  gives  exactly the same results shown in the document you supplied.  Run this :
conc = c(0, 10, 20, 30, 40, 50)
signal = c (4, 22, 44, 60, 82, NA)
lm.r  <-  lm( signal ~ conc)
summary(lm.r)

I hope this helps.
John Kane
Kingston ON Canada


> -----Original Message-----
> From: tesarants at gmail.com
> Sent: Fri, 9 Nov 2012 09:36:23 -0800 (PST)
> To: r-help at r-project.org
> Subject: Re: [R] lm function - strange error
> 
> Here is the document
> 
> http://www.montefiore.ulg.ac.be/~kvansteen/GBIO0009-1/ac20092010/Class8/Using%20R%20for%20linear%20regression.pdf
>

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