R help - Dec 2007 - vector distribution

Hi everyone, 

say i have a population (stable) with different amounts of animals in every
ageclass (80 of age 1, 60 of age 2, etc) in a vector.
Can anybody tell me how i can add gender (male or female) to all ageclasses?
I want a 1:1 ratio of males and females within the population (as a starting
value). So, 40 males and 40 females of age 1, 30m-30f of age 2, etc etc... 

Any help would be greatly appreciated!! 

Kind regards
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-Halcyon- <Cyonora <at> gmail.com> writes:
> 
> 
> Hi everyone, 
> 
> say i have a population (stable) with different amounts of animals in every
> ageclass (80 of age 1, 60 of age 2, etc) in a vector.
> Can anybody tell me how i can add gender (male or female) to all
ageclasses?
> I want a 1:1 ratio of males and females within the population (as a
starting
> value). So, 40 males and 40 females of age 1, 30m-30f of age 2, etc etc... 
> 
> Any help would be greatly appreciated!! 
> 
> Kind regards
  Do you mean something like
> x <- c(age1=80,age2=60,age3=40)
> x
age1 age2 age3 
  80   60   40 
> y <- rep(x/2,2)
> names(y) <-
c(paste("M",names(x),sep="."),paste("F",names(x),sep="."))
> y
M.age1 M.age2 M.age3 F.age1 F.age2 F.age3 
    40     30     20     40     30     20 
> 
  ?

  Ben Bolker