[R] question on graphs and finding area under a curve

Romain Francois francoisromain at free.fr
Tue Aug 2 15:22:11 CEST 2005


Le 02.08.2005 14:50, Renuka Sane a écrit :

>Question on graphs:
>
>The default case for drawing a graph in R, is where a little space is left 
>on the x and y axis before the first tick i.e. even if I say xlim=c(0,1) -- 
>there will be some space between the edge of the x-axis and where 0 is 
>placed. If I want 0 on the edge, how do I do it in R?
>
>Area under the curve:
>
>I have a 45 degree line and a curve above or below it. Is there a way in R 
>to find the area between the two?
>
>  
>
Hi,

integrate.xy in sfsmisc package might help you.

Romain

>Thanks,
>Renuka
>
- 
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