The F deme's size was 3689 until 4012.9 generations ago, when it began a linear change, reaching 7207 individuals by 486.347. After this period, the population underwent an exponential change, reaching 6834 individuals by 413.711. From 413.711 generations ago to now, the population changed from 6834 to 5571 at a exponential rate.
time_units: generations
demes:
  - name: F
    start_time: .inf
    epochs:
      - start_size: 3689
        end_time: 4012.9
      - start_size: 3689
        end_size: 7207
        end_time: 486.347
        size_function: linear
      - start_size: 7207
        end_time: 413.711
        end_size: 6834
        size_function: exponential
      - end_time: 0
        start_size: 6834
        end_size: 5571
        size_function: exponential