The S deme held its population size constant at 3898 until 6804.371 generations ago, then experienced a exponential change up to 8966 individuals by time 5511.9. This was followed by an exponential change, resulting in 5774 individuals by 4291.2308. From 4291.2308 generations onward to the present, the population has been on a linear change from 5774 to 6531.
time_units: generations
demes:
  - name: S
    start_time: .inf
    epochs:
      - start_size: 3898
        end_time: 6804.371
      - start_size: 3898
        end_size: 8966
        end_time: 5511.9
        size_function: exponential
      - start_size: 8966
        end_time: 4291.2308
        end_size: 5774
        size_function: exponential
      - end_time: 0
        start_size: 5774
        end_size: 6531
        size_function: linear