The population size of R deme stood at 264 until a shift at 4439.0 generations ago, leading to a linear change up to 2639.21 generations and 4306 individuals. Following this, there was an exponential decrease to 3540 individuals by 2125.703. Since 2125.703, the population has seen a linear decreased from 3540 to 2681, continuing to the current time.
time_units: generations
demes:
  - name: R
    start_time: .inf
    epochs:
      - start_size: 264
        end_time: 4439.0
      - start_size: 264
        end_size: 4306
        end_time: 2639.21
        size_function: linear
      - start_size: 4306
        end_time: 2125.703
        end_size: 3540
        size_function: exponential
      - end_time: 0
        start_size: 3540
        end_size: 2681
        size_function: linear