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. _

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 wrote on

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 combina

[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