village {villager}

Village

Description

This is an object that represents the state of a village at a particular time.

Details

This class acts as a type of record that holds the values of the different village variables. This class can be subclassed to include more variables that aren't present.

Methods

initialize()

Creates a new village

propagate()

Advances the village a single time step

set_initial_state()

Initializes the initial state of the village

Public fields

name

An optional name for the village

initial_condition

A function that sets the initial state of the village

current_state

The village's current state

previous_state

The village's previous state

models

A list of functions or a single function that should be run at each timestep

model_data

Optional data that models may need

agent_mgr

The manager that handles all of the agents

resource_mgr

The manager that handles all of the resources Initializes a village

Methods

Public methods

• village$new()

• village$propagate()

• village$set_initial_state()

• village$clone()

Method new()

This method is meant to set the variables that are needed for a village to propagate through time.

Usage

village$new(
  name,
  initial_condition,
  models = list(),
  agent_class = villager::agent,
  resource_class = villager::resource
)

Arguments

name

An optional name for the village

initial_condition

A function that gets called on the first time step

models

A list of functions or a single function that should be run at each time step

agent_class

The class that's being used to represent agents

resource_class

The class being used to describe the resources Propagates the village a single time step

Method propagate()

Usage

village$propagate(current_step)

Arguments

current_step

The current time step

Details

This method is used to advance the village a single time step. It should NOT be used to set initial conditions. See the set_initial_state method.

Returns

None Runs the user defined function that sets the initial state of the village

Method set_initial_state()

Runs the initial condition model

Usage

village$set_initial_state()

Method clone()

The objects of this class are cloneable with this method.

Usage

village$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.