Re: [R] extract rows with unique values from data.frame

2011-03-07 Thread Nicolas Gutierrez
Dear Bill.. .great, thanks for your quick response. Cheers Nico On 3/7/2011 8:16 PM, bill.venab...@csiro.au wrote: i<- with(pop, cumsum(!duplicated(cbind(xloc, yloc k<- 2 ## how many do you want? no<- min(which(i == k)) pop[1:no, ] __ R

Re: [R] extract rows with unique values from data.frame

2011-03-07 Thread Bill.Venables
project.org] On Behalf Of Nicolas Gutierrez Sent: Tuesday, 8 March 2011 1:52 PM To: R help Subject: [R] extract rows with unique values from data.frame Hello! I have the data frame "pop": xloc yloc gonad indEneW Agent 123 20 516.74 1 0.02 20.21 0.25 223

[R] extract rows with unique values from data.frame

2011-03-07 Thread Nicolas Gutierrez
Hello! I have the data frame "pop": xloc yloc gonad indEneW Agent 123 20 516.74 1 0.02 20.21 0.25 223 20 1143.20 1 0.02 20.21 0.50 321 19 250.00 1 0.02 20.21 0.25 422 15 251.98 1 0.02 18.69 0.25 524 18 598.08 1 0.02