The O deme's size was 9742 until 5067.344 generations ago, when it began a linear decrease, reaching 257 individuals by 423.0. After this period, the population underwent an linear growth, reaching 2140 individuals by 200.385. From 200.385 generations ago to now, the population changed from 2140 to 4379 at a exponential rate.
time_units: generations
demes:
  - name: O
    start_time: .inf
    epochs:
      - start_size: 9742
        end_time: 5067.344
      - start_size: 9742
        end_size: 257
        end_time: 423.0
        size_function: linear
      - start_size: 257
        end_time: 200.385
        end_size: 2140
        size_function: linear
      - end_time: 0
        start_size: 2140
        end_size: 4379
        size_function: exponential