platform: bayesian
unique_id: bayesianbinarysensor.back_yard_occupied
name: Back Yard Occupied
device_class: occupancy
prior: 0.25
probability_threshold: 0.75
observations:

  - entity_id: input_boolean.home_occupied
    platform: state
    prob_given_true: .01
    prob_given_false: 0.01
    to_state: 'off'

  - entity_id: group.back_yard_motion
    prob_given_true: .9
    prob_given_false: 0.01
    platform: state
    to_state: 'on'