Re: [R] equation of a line or curve

From: Peter Dalgaard <P.Dalgaard_at_biostat.ku.dk>
Date: Tue, 25 Nov 2008 11:19:26 +0100

Uwe Ligges wrote:
>
>
> CE.KA wrote:

>> Hi R users
>> I used the function line(x,y) and line(lowess(x,y)) to see the
>> correlation
>> between 2 variables (x,y).
>> Here is my question:
>> is there a way to ask R to tell me the equation of
>> -this line : line(x,y)

>
> The equation if line(x,y)? It is given by the n data points directly and
> consists of n-1 separate linear parts.

line() not lines()...

> line(cars)

Call:
line(cars)

Coefficients:
[1] -26.053 4.421

I'm a bit confused as to how you can avoid finding the equation of the line from that output!

-- 
   O__  ---- Peter Dalgaard             Ă˜ster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark      Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard_at_biostat.ku.dk)              FAX: (+45) 35327907

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Received on Tue 25 Nov 2008 - 10:27:26 GMT

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