The R deme had a size of 7206 until 7107.215 generations ago. From 7107.215 generations to time 2108.1083, its size changed exponentially to 9214 individuals. After that, until 669.0, the population had a linear change to 7406 individuals. It then changed from 7406 to 5887, starting 669.0 generations ago, until current times, at a exponential rate.
time_units: generations
demes:
  - name: R
    start_time: .inf
    epochs:
      - start_size: 7206
        end_time: 7107.215
      - start_size: 7206
        end_size: 9214
        end_time: 2108.1083
        size_function: exponential
      - start_size: 9214
        end_time: 669.0
        end_size: 7406
        size_function: linear
      - end_time: 0
        start_size: 7406
        end_size: 5887
        size_function: exponential