[R] Area Under a Curve

[bartjoosen]

You can take a look at AUC in the PK package


stephen sefick wrote:
> 
> I would like to integrate the area under a curve without any smoothing or
> the like- just on the raw numbers.  I looked at integrate() but it
> requires
> a function which I assume means something like x+x^2+x^3
> 
> is there a built in function in R for this?
> 
> #let's say
> x <- seq(1:50)
> y <- seq(1:50)
> plot(y~x)
> # the are would be 1250
> # I would like to be able to do this but on more complicated numeric sets
> of
> points say dissolved oxygen mass
> 
> 
> thanks
> 
> stephenr
> 
> -- 
> Let's not spend our time and resources thinking about things that are so
> little or so large that all they really do for us is puff us up and make
> us
> feel like gods. We are mammals, and have not exhausted the annoying little
> problems of being mammals.
> 
> -K. Mullis
> 
> 	[[alternative HTML version deleted]]
> 
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