[R] Help ~

Dieter Menne dieter.menne at menne-biomed.de
Tue Jan 19 11:40:14 CET 2010



Fan Dan wrote:
> 
>  Generate a clustered pattern in [0; 1]2 as follows:
> (a) Generate n, say 20, independent cluster centers (which can be called
> parents) that are distributed i.i.d. uniformly in the unit square;
> (b) then m,say 100, daughters are assigned i.i.d. uniformly to these
> parents and such that each
> daughter is located i.i.d. uniformly in a disk of radius r = 0:1 centred
> at her parent, under the periodic boundary conditions, i.e. the square is
> converted into a torus.
> 
> I tried some but can not figure out the whole thing. 
> Thank you very much for your time. 
> Yours 
> Wolfgang Amadeus
> 
> 

Dear Wolfgang Amadeus, 

next time you post homework here, please make sure that you modify the
language of the task a bit so that the discrepancy between the task and your
helplessness is less evident.

You really are the greatest composer on earth. Better stick with that.

Josef Haydn / currently London


 



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