[R] repeating a function across a data frame

Hello everyone. Like others on this list, I'm new to R, and really not much of a programmer, so please excuse any obtuse questions! I'm trying to repeat a function across all possible combinations of vectors in a data frame. I'd hugely appreciate any advice! Here's what I'm doing: I have some

Re: [R] repeating a function across a data frame

Hi did you find function dist? It seems that it can do directly what you want. Regards Petr Hello everyone. Like others on this list, I'm new to R, and really not much of a programmer, so please excuse any obtuse questions! I'm trying to repeat a function across all possible

Re: [R] repeating a function across a data frame

As Petr suggests, the dist() function will do much of the work for you. For example ... # example matrix of data nsamples - 40 nreadings - 46 dat - matrix(runif(nsamples*nreadings), nrow=nsamples) # Euclidean distance between the ROWS of dat distance - dist(dat) Jean JenniferH

Re: [R] repeating a function across a data frame

Hi Petr and Jean, thanks very much, problem solved! Really appreciate your help. Jennifer -- View this message in context: http://r.789695.n4.nabble.com/repeating-a-function-across-a-data-frame-tp4638643p4638678.html Sent from the R help mailing list archive at Nabble.com.