[R] using matrix data for function
jasont at indigoindustrial.co.nz
Wed Sep 17 22:46:46 CEST 2003
On Thu, 2003-09-18 at 06:02, Bing Zhang wrote:
> Hi All,
> I have a function, f(x,y)
> I have a matrix of data, m, with the 1st column is x and the 2nd column is y
> What's the best way to get f(x,y) for each row of the matrix?
> I tried
> result<-f(m[,1],m[,2]) but it doesn't work.
That is the best way, provided your function handles vectors nicely.
Apparently, yours doesn't.
Next best is something like apply(m,2,f)
Indigo Industrial Controls Ltd.
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