Re: [R] Generating random geographical coordinates

2012-10-10 Thread R. Michael Weylandt
On Wed, Oct 10, 2012 at 4:09 PM, Poizot Emmanuel wrote: > Le 10/10/2012 17:02, R. Michael Weylandt a écrit : >> >> Change 1 to some other number to get more points from runif() >> >> More generally, take a look at "An Introduction to R" and read most >> everything you can find on the topic of vect

Re: [R] Generating random geographical coordinates

2012-10-10 Thread Berend Hasselman
On 10-10-2012, at 16:15, Poizot Emmanuel wrote: > Dear all, > > I have two coordinates vectors, say X and Y of length n. > I want to generate for each couple of coordinates X1,Y1 X2,Y2 X3,Y3Xn,Yn > a random coordinate which is located in a square define as X +/- dx and Y +/- > dy. > I saw

Re: [R] Generating random geographical coordinates

2012-10-10 Thread R. Michael Weylandt
Change 1 to some other number to get more points from runif() More generally, take a look at "An Introduction to R" and read most everything you can find on the topic of vectorization. If you don't know how to get "An Introduction to R", try typing help.start() at your prompt and it should happen