Sample a population from an age pyramid (at a given time).
# S3 method for class 'pyramid'
popsample(age_pyramid, size, age_max = 120, time = 0)Object of pyramid class.
A non-negative integer giving the number of individuals in population.
(Optional) A non-negative numeric which replace (if exists) the Inf in age_pyramid.population.
(Optional) The age pyramid is computed at instant time. Must be a numeric greater than or equal to 0.
Object of population class representing a data frame of size size containing a population of individuals.