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KeepRubyWeird 2015: Prepare yourself against Zombie epidemic

KeepRubyWeird 2015: Prepare yourself against Zombie epidemic

Christophe Philemotte

October 26, 2015
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  1. Benjamin Lehman, ©2011

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  2. Benjamin Lehman, ©2011
    Prepare yourself
    against
    Zombie epidemic

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  3. Agent
    Based
    Model

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  7. View Slide

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  9. Agent
    Based
    Model

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  10. Map
    National Geographics, ©2011

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  11. map = Map.new(4, 4)

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  12. point = Point.new
    point_north = Point.new
    point.neighborhood[:north] = point_north
    point_north.neighborhood[:south] = point
    # ...

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  13. John DellAngelo, ©2013
    Agent

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  14. agent = Agent.new(age, start_point, stm)

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  15. agent.perceive
    # => {}

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  16. agent.act
    # => :walk
    agent.walk(:east)

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  18. agent.age
    # => 1

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  19. agent.commit
    # => ## @name=:susceptible, ...

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  20. State

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  21. state = State.new(:susceptible)
    state.define_possible_actions(
    ->(agent) {
    [:walk, :stay, :fight].sample
    }
    )

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  22. state.decide_action_for(agent)
    # => :walk

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  23. infected = State.new(:susceptible)
    state.add_transition(
    infected,
    ->(state, agent) {
    true
    }
    )

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  24. state.trigger_transition(agent)
    # => ## @name=:infected, ...

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  26. State
    Transition
    Machine

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  27. stm = StateTransitionMachine.new
    # create states:
    # - susceptible
    # - infected
    # - zombie
    # - dead
    # create transitions
    # set default initial state

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  28. Simulation
    Loop

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  29. steps = 100
    agents = create_the_agents
    steps.times do
    agents.each do |agent|
    agent.act; agent.age
    end
    agents.each { |agent| agent.commit }
    remove_the_deads(agents)
    end

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  30. steps = 100
    agents = create_the_agents
    steps.times do
    agents.each do |agent|
    agent.act; agent.age
    end
    agents.each { |agent| agent.commit }
    remove_the_deads(agents)
    end

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  31. steps = 100
    agents = create_the_agents
    steps.times do
    agents.each do |agent|
    agent.act; agent.age
    end
    agents.each { |agent| agent.commit }
    remove_the_deads(agents)
    end

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  32. steps = 100
    agents = create_the_agents
    steps.times do
    agents.each do |agent|
    agent.act; agent.age
    end
    agents.each { |agent| agent.commit }
    remove_the_deads(agents)
    end

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  33. steps = 100
    agents = create_the_agents
    steps.times do
    agents.each do |agent|
    agent.act; agent.age
    end
    agents.each { |agent| agent.commit }
    remove_the_deads(agents)
    end

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  34. steps = 100
    agents = create_the_agents
    steps.times do
    agents.each do |agent|
    agent.act; agent.age
    end
    agents.each { |agent| agent.commit }
    remove_the_deads(agents)
    end

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  35. steps = 100
    agents = create_the_agents
    steps.times do
    agents.each do |agent|
    agent.act; agent.age
    end
    agents.each { |agent| agent.commit }
    remove_the_deads(agents)
    end

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  36. steps = 100
    agents = create_the_agents
    steps.times do
    agents.each do |agent|
    agent.act; agent.age
    end
    agents.each { |agent| agent.commit }
    remove_the_deads(agents)
    end

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  37. steps = 100
    agents = create_the_agents
    steps.times do
    agents.each do |agent|
    agent.act; agent.age
    end
    agents.each { |agent| agent.commit }
    remove_the_deads(agents)
    end

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  40. Validation
    &
    Calibration

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  41. # validation
    # ==
    # functional test

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  44. # Calibration
    # f(x, y, z, ?) = a

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  45. Simulate
    &
    Prepare yourself

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  46. Live Demo

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  48. Outro

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  49. ?
    toch
    _toch
    toch/zombie_epidemic

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