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## uchicago.src.repastdemos.jinGirNew
Class JinGirNewModelII

    java.lang.Object
      uchicago.src.sim.engine.SimModelImpl
          uchicago.src.repastdemos.jinGirNew.JinGirNewModelII

All Implemented Interfaces:
  DescriptorContainer, SimEventProducer, SimModel

    public class JinGirNewModelII

extends SimModelImpl

This is an implementation of the second model (model II) described in Jin, Girvan, and Newman, "The Structure of Growing Social Networks." Santa Fe Institute 2001 working paper. This paper can be found on-line at http://www.santafe.edu/sfi/publications/Abstracts/01-06-032abs.html

Their abstract follows:

"We propose some simple models of the growth of social networks, based on three general principles: (1) meetings take place between pairs of individuals at a rate which is high if a pair has one or more mutual friends and low otherwise; (2) acquaintances between pairs of individuals who rarely meet decay over time; (3) there is an upper limit on the number of friendships an individual can maintain. using computer simulations, we find that models that incorporatge all of these features reproduce many of the features of real social networks, including high levels of clustering or network transitivity and strong community structure in which individuals have more links to others within their community than to individuals from other communities."

See the repast/demo/jinGirNew/readme for details on the parameters of this model.

Version:
  $Revision: 1.1 $ $Date: 2005/08/12 20:04:52 $

Field Summary

Fields inherited from class uchicago.src.sim.engine.SimModelImpl
`descriptors, modelManipulator`

Constructor Summary
`JinGirNewModelII()`

Method Summary
`void` | `begin()` Begins a simulation run.
`void` | `buildDisplay()`
`void` | `buildModel()`
`boolean` | `getDegreeHist()`
`java.lang.String[]` | `getInitParam()` Gets the names of the initial model parameters to set.
`java.lang.String` | `getLayoutType()`
`int` | `getMaxDegree()`
`java.lang.String` | `getName()` Gets the name of the model/simulation.
`int` | `getNumNodes()`
`boolean` | `getPlot()`
`double` | `getRemoveProb()`
`double` | `getRsub0()`
`double` | `getRsub1()`
`Schedule` | `getSchedule()` Gets the Schedule created by the model.
`int` | `getStartRemoveAfter()`
`int` | `getUpdateEveryN()`
`int` | `getWorldXSize()`
`int` | `getWorldYSize()`
`void` | `initialAction()`
`static void` | `main(java.lang.String[] args)`
`void` | `mainAction()`
`void` | `removeInitialAction()`
`void` | `setDegreeHist(boolean val)`
`void` | `setLayoutType(java.lang.String type)`
`void` | `setMaxDegree(int degree)`
`void` | `setNumNodes(int n)`
`void` | `setPlot(boolean val)`
`void` | `setRemoveProb(double prob)`
`void` | `setRsub0(double R)`
`void` | `setRsub1(double R)`
`void` | `setStartRemoveAfter(int steps)`
`void` | `setup()` Prepares a model for a new run, typically by deallocating objects or setting them to some reasonable default.
`void` | `setUpdateEveryN(int updates)`
`void` | `setWorldXSize(int size)`
`void` | `setWorldYSize(int size)`

Methods inherited from class uchicago.src.sim.engine.SimModelImpl
`addPropertyListener, addSimEventListener, clearMediaProducers, clearPropertyListeners, fireBooleanPropertyEvent, fireEndSim, fireNumericPropertyEvent, fireObjectPropertyEvent, firePauseSim, fireSimEvent, fireStopSim, fireStringPropertyEvent, generateNewSeed, getController, getMediaProducers, getModelManipulator, getParameterDescriptors, getPropertiesValues, getRngSeed, getTickCount, pause, registerDisplaySurface, registerMediaProducer, removePropertyListener, removeSimEventListener, setController, setRngSeed, stop`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### JinGirNewModelII

    public JinGirNewModelII()

Method Detail

### getDegreeHist

    public boolean getDegreeHist()

### setDegreeHist

    public void setDegreeHist(boolean val)

### getPlot

    public boolean getPlot()

### setPlot

    public void setPlot(boolean val)

### getMaxDegree

    public int getMaxDegree()

### setMaxDegree

    public void setMaxDegree(int degree)

### getRsub0

    public double getRsub0()

### setRsub0

    public void setRsub0(double R)

### getRsub1

    public double getRsub1()

### setRsub1

    public void setRsub1(double R)

### getLayoutType

    public java.lang.String getLayoutType()

### setLayoutType

    public void setLayoutType(java.lang.String type)

### setUpdateEveryN

    public void setUpdateEveryN(int updates)

### getUpdateEveryN

    public int getUpdateEveryN()

### getRemoveProb

    public double getRemoveProb()

### setRemoveProb

    public void setRemoveProb(double prob)

### getStartRemoveAfter

    public int getStartRemoveAfter()

### setStartRemoveAfter

    public void setStartRemoveAfter(int steps)

### setNumNodes

    public void setNumNodes(int n)

### getNumNodes

    public int getNumNodes()

### getWorldXSize

    public int getWorldXSize()

### setWorldXSize

    public void setWorldXSize(int size)

### getWorldYSize

    public int getWorldYSize()

### setWorldYSize

    public void setWorldYSize(int size)

### buildModel

    public void buildModel()

### buildDisplay

    public void buildDisplay()

### initialAction

    public void initialAction()

### mainAction

    public void mainAction()

### removeInitialAction

    public void removeInitialAction()

### begin

    public void begin()

  Description copied from interface: `SimModel`
  Begins a simulation run. All initialization, building the model, diplay, etc. should take place here. This method is called whenever the start button (or the step button if the run has not yet begun) is clicked. If running in batch mode this is called to kick off a new simulation run.

### setup

    public void setup()

  Description copied from interface: `SimModel`
  Prepares a model for a new run, typically by deallocating objects or setting them to some reasonable default. Called whenever the setup button is clicked or if operating in batch mode whenever a single run has ended in preparation for the next. Also called when the model is first loaded.

### getInitParam

    public java.lang.String[] getInitParam()

  Description copied from interface: `SimModel`
  Gets the names of the initial model parameters to set. These names must have get and set methods supplied by the model. For example, for the parameter maxAge, the model must have getMaxAge and setMaxAge methods.

  Returns:
    a String[] of the initial parameter names

### getSchedule

    public Schedule getSchedule()

  Description copied from interface: `SimModel`
  Gets the Schedule created by the model.

  Returns:
    the schedule created by the model

### getName

    public java.lang.String getName()

  Description copied from interface: `SimModel`
  Gets the name of the model/simulation.

  Returns:
    the name of the model/simulation

### main

    public static void main(java.lang.String[] args)

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