[R] Population Decay in R
David Katz
david at davidkatzconsulting.com
Tue Dec 16 01:30:32 CET 2008
barplot(5000*((1-.26)^(0:49)))
jimdare wrote:
>
> Hi,
>
> I am new to R. I am trying to plot the decay of a population over time
> (0-50yrs). I have the initial population value (5000) and the mortality
> rate (0.26/yr) and I can't figure out how to apply this so I get a
> remaining population value each year. In excel (ignoring headings) I
> would put 5000 in A1, in B2 I would enter the formula A1*0.26, and then in
> A2 (the next years population) I would subtract B2 from A1. I would
> continue this process untill I had calculated the population for the 50th
> year. Any ideas of how to do this in R? :-/
>
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