Class LearnInd

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.Panel
                    |
                    +--java.applet.Applet
                          |
                          +--javax.swing.JApplet
                                |
                                +--LearnInd

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.event.ActionListener, java.util.EventListener, java.awt.image.ImageObserver, java.awt.MenuContainer, javax.swing.RootPaneContainer, java.io.Serializable

Direct Known Subclasses:

LearnIndAA

public class LearnInd

extends javax.swing.JApplet

implements java.awt.event.ActionListener

LearnInd.java
A java Applet-Application for simulating industries composed of NWFirms, GenFirms,XCSFirms and NNGenFirms.
NWFirms use a fixed R&D rule as in Nelson & Winter (1982).
GenFirms use a Genetic Algorithm to adjust their RD/Profit ratio to industry conditions.
XCSFirms use a XCS for learning.
NNGenFirms use a genetic algorithm where the fittness of each rule is the expected profit provided by an artificial neural network (ANN): NNeco.
When used as an application, LearnInd can save data on files xxx.*
where xxx is the radical fixed in the initialisation panel.

Permission to use, copy, modify, and distribute this
software and its documentation for NON-COMMERCIAL purposes
and without fee is hereby granted provided that this
copyright notice appears in all copies.
Last change: MY August 24, 2001
(c) Murat Yildizoglu, 2001

Version:

3.2 August 2001

Author:

Murat Yildizoglu

See Also:

Firm, NWFirm, GenFirm, XCSFirm, NNGenFirm, Serialized Form

Inner classes inherited from class javax.swing.JApplet

javax.swing.JApplet.AccessibleJApplet

Inner classes inherited from class java.applet.Applet

java.applet.Applet.AccessibleApplet

Inner classes inherited from class java.awt.Panel

java.awt.Panel.AccessibleAWTPanel

Inner classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Inner classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent

Field Summary

boolean	autoFlush
Cadre	learnindCadre The user interface
int	LearnRate Learning rate of GenFirms
ResultsWindow	results The output Window

Fields inherited from class javax.swing.JApplet

accessibleContext, rootPane, rootPaneCheckingEnabled

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

LearnInd()

Method Summary

void	actionPerformed(java.awt.event.ActionEvent e) The main part of the application.
void	close_file(java.io.PrintWriter s) An utility to close opened files.
void	closeAllFiles()
void	closeSimFiles()
void	computeEnv() Computes the Environment string to pass to XCSFirms' R&D rates.
java.io.PrintWriter	create_file(java.lang.String s) A utility to create new files for recording.
void	DataGen(int i0) Computes the shares of each type of firm in Total Capital and in Total cumulated profits and other relative or average performance measures.
double	demand(double s) Computes the market price for the short term equilibrium.
void	IndProd() Computes the average and maximal productivities in the industry.
double	IndSupply() Computes the total supply of the industry and the shares of each type of firms in this supply
void	init() Initializes the interface.
void	InitDataGen() Initializes the variables that will be used to record the performance of the industry and the firms.
void	initEnv() Initializes the ENV table for computing the global environment that will be used by the XCSFirms
void	isChampion(int i0) Determines the champion of the industry (imax)
void	LearnInd()
void	printLog() Prints the log file that contains the description of the parameter values and the output files
void	report() Saves all the output of the model in the corresponding panels and files (if fileoutput is chosen) and generates the data for the ResultsWindow.

Methods inherited from class javax.swing.JApplet

addImpl, createRootPane, getAccessibleContext, getContentPane, getGlassPane, getJMenuBar, getLayeredPane, getRootPane, isRootPaneCheckingEnabled, paramString, processKeyEvent, remove, setContentPane, setGlassPane, setJMenuBar, setLayeredPane, setLayout, setRootPane, setRootPaneCheckingEnabled, update

Methods inherited from class java.applet.Applet

destroy, getAppletContext, getAppletInfo, getAudioClip, getAudioClip, getCodeBase, getDocumentBase, getImage, getImage, getLocale, getParameter, getParameterInfo, isActive, newAudioClip, play, play, resize, resize, setStub, showStatus, start, stop

Methods inherited from class java.awt.Panel

addNotify

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, removeAll, removeContainerListener, removeNotify, setFont, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getInputContext, getInputMethodRequests, getLocation, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isDisplayable, isDoubleBuffered, isEnabled, isFocusTraversable, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, processMouseMotionEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, reshape, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setForeground, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

learnindCadre

public Cadre learnindCadre

The user interface

results

public ResultsWindow results

The output Window

LearnRate

public int LearnRate

Learning rate of GenFirms

autoFlush

public boolean autoFlush

Constructor Detail

LearnInd

public LearnInd()

Method Detail

LearnInd

public void LearnInd()

init

public void init()

Initializes the interface.

Overrides:

init in class java.applet.Applet

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

The main part of the application.
Following the push of the Compute Button it reads the provided values
of the parameters and starts the simulation.
If the button Stop is pushed, it closes all open streams and closes
the application.

Specified by:

actionPerformed in interface java.awt.event.ActionListener

Parameters:

e - Determines the button used in Cadre

See Also:

Cadre

initEnv

public void initEnv()

Initializes the ENV table for computing
the global environment that will be used by the XCSFirms

computeEnv

public void computeEnv()

Computes the Environment string to pass to XCSFirms' R&D rates.

IndSupply

public double IndSupply()

Computes the total supply of the industry and the shares of each type of firms in this supply

IndProd

public void IndProd()

Computes the average and maximal productivities in the industry.
The average productivity is used in the measure of the tecnological
performance of industries.
The maximal productivity conditions the imitation of firms

See Also:

Firm

InitDataGen

public void InitDataGen()

Initializes the variables that will be used to record
the performance of the industry and the firms.

DataGen

public void DataGen(int i0)

Computes the shares of each type of firm in Total Capital and in Total
cumulated profits and other relative or average performance measures.

Parameters:

i0 - The index of the firm under scrunity

isChampion

public void isChampion(int i0)

Determines the champion of the industry (imax)

Parameters:

i0 - The index of the firm to test

demand

public double demand(double s)

Computes the market price for the short term equilibrium. This price results from the confrontation of total supply and demand. Demand function is a constant elasticity function.

Parameters:

s - Total supply

Returns:

Prix : The market price

report

public void report()

Saves all the output of the model in the corresponding panels and files
(if fileoutput is chosen) and generates the data for the ResultsWindow.

See Also:

ResultsWindow

printLog

public void printLog()

Prints the log file that contains the description of the parameter values and the output files

closeAllFiles

public void closeAllFiles()

closeSimFiles

public void closeSimFiles()

close_file

public void close_file(java.io.PrintWriter s)

An utility to close opened files.

Parameters:

s - The file to close

create_file

public java.io.PrintWriter create_file(java.lang.String s)

A utility to create new files for recording.

Parameters:

s - The name of the file to create