|Date: ||Mon, 30 Apr 2007 15:33:05 -0400|
|Reply-To: ||"Howard Schreier <hs AT dc-sug DOT org>" <nospam@HOWLES.COM>|
|Sender: ||"SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>|
|From: ||"Howard Schreier <hs AT dc-sug DOT org>" <nospam@HOWLES.COM>|
|Subject: ||Re: simulation|
On Sat, 28 Apr 2007 16:20:16 -0700, Val Krem <valkrem@YAHOO.COM> wrote:
>I would like to simulate the following data structure.
> For the first year I have 10 males and each male is mated to 100 female
and produced 40 progeny per mate. Assume 50:50 sex ratio. Only on females
performance was recorded (say egg production).
> For next year, based on female performance, select the top 10% of males
to be the parent for next generation.
> Again in the second year, each selected male is mated to 100 females and
producing 40 offspring per mate. The program continues for five years.
> I would appreciate your help to simulate this kind of data structure.
> Thanks in advance
I think more specifications are needed: initial female population;
determination/distribution of the performance measure; whether breeding
involves all age cohorts or only some age range; maybe more.