Added and edited all script headings. Chapters 6, 7, 8, 10, and 12 st…

…ill require descriptions.
maureen121 · Feb 10, 2012 · 6e4cba4 · 6e4cba4
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diff --git a/01-Introduction/code/package_installer.R b/01-Introduction/code/package_installer.R
@@ -1,11 +1,11 @@
 # File-Name:       package_installer.R           
-# Date:            2011-11-01                          
+# Date:            2012-02-10                         
 # Author:          Drew Conway ([email protected]) and John Myles White ([email protected])
 # Purpose:         Install all of the packages needed for the Machine Learning for Hackers case studies
 # Data Used:       n/a
 # Packages Used:   n/a
 
-# All source code is copyright (c) 2011, under the Simplified BSD License.  
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
 # For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
 
 # All images and materials produced by this code are licensed under the Creative Commons 

diff --git a/01-Introduction/code/ufo_sightings.R b/01-Introduction/code/ufo_sightings.R
@@ -1,7 +1,6 @@
-# File-Name:       ml_basics.R           
-# Date:            2011-11-01                                
-# Author:          Drew Conway
-# Email:           [email protected]                                      
+# File-Name:       ufo_sightings.R           
+# Date:            2012-02-10                                
+# Author:          Drew Conway ([email protected]) and John Myles White ([email protected])                                                                    
 # Purpose:         Code for Chapter 1.  In this case we will review some of the basic
 #                   R functions and coding paradigms we will use throughout this book.
 #                   This includes loading, viewing, and cleaning raw data; as well as
@@ -11,7 +10,7 @@
 # Data Used:       http://www.infochimps.com/datasets/60000-documented-ufo-sightings-with-text-descriptions-and-metada
 # Packages Used:   ggplot2
 
-# All source code is copyright (c) 2011, under the Simplified BSD License.  
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
 # For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
 
 # All images and materials produced by this code are licensed under the Creative Commons 

diff --git a/03-Classification/code/email_classify.R b/03-Classification/code/email_classify.R
@@ -1,14 +1,14 @@
 # File-Name:       email_classify.R           
-# Date:            2011-11-01                              
-# Author:          Drew Conway ([email protected]) and John Myles White ([email protected])                                      
+# Date:            2012-02-10                                
+# Author:          Drew Conway ([email protected]) and John Myles White ([email protected])                                     
 # Purpose:         Code for Chapter 3. In this case we introduce the notion of binary classification.
 #                   In machine learning this is a method for determining what of two categories a 
 #                   given observation belongs to.  To show this, we will create a simple naive Bayes 
 #                   classifier for SPAM email detection, and visualize the results.
 # Data Used:       Email messages contained in data/ directory, source: http://spamassassin.apache.org/publiccorpus/
 # Packages Used:   tm, ggplot2
 
-# All source code is copyright (c) 2011, under the Simplified BSD License.  
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
 # For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
 
 # All images and materials produced by this code are licensed under the Creative Commons 

diff --git a/04-Ranking/code/priority_inbox.R b/04-Ranking/code/priority_inbox.R
@@ -1,5 +1,5 @@
 # File-Name:       priority_inbox.R           
-# Date:            2011-11-01                             
+# Date:            2012-02-10                                
 # Author:          Drew Conway ([email protected]) and John Myles White ([email protected])
 # Purpose:         Code for Chapter 4.  In this case study we will attempt to write a "priority
 #                   inbox" algorithm for ranking email by some measures of importance.  We will
@@ -9,7 +9,7 @@
 #                   source: http://spamassassin.apache.org/publiccorpus/
 # Packages Used:   tm, ggplot2
 
-# All source code is copyright (c) 2011, under the Simplified BSD License.  
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
 # For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
 
 # All images and materials produced by this code are licensed under the Creative Commons 

diff --git a/05-Regression/chapter05.R b/05-Regression/chapter05.R
@@ -1,3 +1,22 @@
+# File-Name:       chapter05.R           
+# Date:            2012-02-10                                
+# Author:          Drew Conway ([email protected]) and John Myles White ([email protected])                                                                    
+# Purpose:         
+# Data Used:       data/longevity.csv
+# Packages Used:   ggplot2
+
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
+# For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
+
+# All images and materials produced by this code are licensed under the Creative Commons 
+# Attribution-Share Alike 3.0 United States License: http://creativecommons.org/licenses/by-sa/3.0/us/
+
+# All rights reserved.
+
+# NOTE: If you are running this in the R console you must use the 'setwd' command to set the 
+# working directory for the console to whereever you have saved this file prior to running.
+# Otherwise you will see errors when loading data or saving figures!
+
 library('ggplot2')
 
 # First snippet

diff --git a/06-Regularization/chapter06.R b/06-Regularization/chapter06.R
@@ -1,3 +1,22 @@
+# File-Name:       chapter06.R           
+# Date:            2012-02-10                                
+# Author:          Drew Conway ([email protected]) and John Myles White ([email protected])                                                                    
+# Purpose:         
+# Data Used:       data/oreilly.csv
+# Packages Used:   ggplot2, glmnet, tm, boot
+
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
+# For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
+
+# All images and materials produced by this code are licensed under the Creative Commons 
+# Attribution-Share Alike 3.0 United States License: http://creativecommons.org/licenses/by-sa/3.0/us/
+
+# All rights reserved.
+
+# NOTE: If you are running this in the R console you must use the 'setwd' command to set the 
+# working directory for the console to whereever you have saved this file prior to running.
+# Otherwise you will see errors when loading data or saving figures!
+
 library('ggplot2')
 
 # First snippet

diff --git a/07-Optimization/chapter07.R b/07-Optimization/chapter07.R
@@ -1,3 +1,22 @@
+# File-Name:       chapter07.R           
+# Date:            2012-02-10                                
+# Author:          Drew Conway ([email protected]) and John Myles White ([email protected])                                                                    
+# Purpose:         
+# Data Used:       data/01_heights_weights_genders.csv, data/lexical_database.Rdata
+# Packages Used:   n/a
+
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
+# For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
+
+# All images and materials produced by this code are licensed under the Creative Commons 
+# Attribution-Share Alike 3.0 United States License: http://creativecommons.org/licenses/by-sa/3.0/us/
+
+# All rights reserved.
+
+# NOTE: If you are running this in the R console you must use the 'setwd' command to set the 
+# working directory for the console to whereever you have saved this file prior to running.
+# Otherwise you will see errors when loading data or saving figures!
+
 # First code snippet
 height.to.weight <- function(height, a, b)
 {

diff --git a/08-PCA/chapter08.R b/08-PCA/chapter08.R
@@ -1,3 +1,22 @@
+# File-Name:       chapter08.R           
+# Date:            2012-02-10                                
+# Author:          Drew Conway ([email protected]) and John Myles White ([email protected])                                                                    
+# Purpose:         
+# Data Used:       data/DJI.csv, data/stock_prices.csv
+# Packages Used:   ggplot2, lubridate, reshape
+
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
+# For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
+
+# All images and materials produced by this code are licensed under the Creative Commons 
+# Attribution-Share Alike 3.0 United States License: http://creativecommons.org/licenses/by-sa/3.0/us/
+
+# All rights reserved.
+
+# NOTE: If you are running this in the R console you must use the 'setwd' command to set the 
+# working directory for the console to whereever you have saved this file prior to running.
+# Otherwise you will see errors when loading data or saving figures!
+
 library('ggplot2')
 
 # First code snippet

diff --git a/09-MDS/chapter09.R → 09-MDS/senate_mds.R b/09-MDS/chapter09.R → 09-MDS/senate_mds.R
@@ -1,5 +1,5 @@
 # File-Name:       senate_mds.R
-# Date:            2011-11-01
+# Date:            2012-02-10                                
 # Author:          Drew Conway ([email protected]) and John Myles White ([email protected])
 # Purpose:         Code for Chapter 4.  In this case study we introduce multidimensional scaling (MDS),
 #                   a technique for visually displaying the simialrity of observations in 
@@ -9,7 +9,7 @@
 # Data Used:       *.dta files in code/data/, source: http://www.voteview.com/dwnl.htm
 # Packages Used:   foreign, ggplot2
 
-# All source code is copyright (c) 2011, under the Simplified BSD License.  
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
 # For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
 
 # All images and materials produced by this code are licensed under the Creative Commons 

diff --git a/10-Recommendations/chapter10.R b/10-Recommendations/chapter10.R
@@ -1,3 +1,23 @@
+# File-Name:       chapter10.R           
+# Date:            2012-02-10                                
+# Author:          Drew Conway ([email protected]) and John Myles White ([email protected])                                                                    
+# Purpose:         
+# Data Used:       data/example.csv, data/installations.csv
+# Packages Used:   class, reshape
+
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
+# For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
+
+# All images and materials produced by this code are licensed under the Creative Commons 
+# Attribution-Share Alike 3.0 United States License: http://creativecommons.org/licenses/by-sa/3.0/us/
+
+# All rights reserved.
+
+# NOTE: If you are running this in the R console you must use the 'setwd' command to set the 
+# working directory for the console to whereever you have saved this file prior to running.
+# Otherwise you will see errors when loading data or saving figures!
+
+
 # First code snippet
 df <- read.csv('data/example_data.csv')
 

diff --git a/11-SNA/code/01_google_sg.R b/11-SNA/code/01_google_sg.R
@@ -1,5 +1,5 @@
 # File-Name:       google_sg.R           
-# Date:            2012-01-19                             
+# Date:            2012-02-10                             
 # Author:          Drew Conway ([email protected]) and John Myles White ([email protected])                                      
 # Purpose:         File 1 for code from Chapter 11.  This file contains a set of functions for building 
 #                   igraph network object from the Twitter social graphs.  As the initial set of code
@@ -9,7 +9,7 @@
 # Data Used:       Accessed via the Google SocialGraph API, source: http://code.google.com/apis/socialgraph/
 # Packages Used:   igraph, RCurl, RJSONIO
 
-# All source code is copyright (c) 2011, under the Simplified BSD License.  
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
 # For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
 
 # All images and materials produced by this code are licensed under the Creative Commons 

diff --git a/11-SNA/code/02_twitter_net.R b/11-SNA/code/02_twitter_net.R
@@ -1,5 +1,5 @@
 # File-Name:       twitter_net.R
-# Date:            2011-11-01
+# Date:            2012-02-10
 # Author:          Drew Conway ([email protected]) and John Myles White ([email protected])
 # Purpose:         File 2 for code in Chapter 11.  In this short file we write code for generating the 
 #                   the ego-network for a given Twitter user.  Once the network object has been built we
@@ -9,7 +9,7 @@
 # Data Used:       n/a
 # Packages Used:   igraph, see 01_google_sg.R
 
-# All source code is copyright (c) 2011, under the Simplified BSD License.  
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
 # For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
 
 # All images and materials produced by this code are licensed under the Creative Commons 

diff --git a/11-SNA/code/03_twitter_rec.R b/11-SNA/code/03_twitter_rec.R
@@ -1,5 +1,5 @@
 # File-Name:       twitter_rec.R
-# Date:            2011-11-01
+# Date:            2012-02-10
 # Author:          Drew Conway ([email protected]) and John Myles White ([email protected])
 # Purpose:         File 3 for code in Chapter 9.  In the final piece of this case study we design a
 #                   simple social graph reccommendation system based on Twitter data.  Using the
@@ -10,7 +10,7 @@
 # Data Used:       data/*.graphml
 # Packages Used:   igraph
 
-# All source code is copyright (c) 2011, under the Simplified BSD License.  
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
 # For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
 
 # All images and materials produced by this code are licensed under the Creative Commons 

diff --git a/12-Model_Comparison/chapter12.R b/12-Model_Comparison/chapter12.R
@@ -1,3 +1,23 @@
+# File-Name:       chapter12.R           
+# Date:            2012-02-10                                
+# Author:          Drew Conway ([email protected]) and John Myles White ([email protected])                                                                    
+# Purpose:         
+# Data Used:       data/df.csv, dtm.RData
+# Packages Used:   ggplot2, glmnet, tm, boot
+
+# All source code is copyright (c) 2012, under the Simplified BSD License.  
+# For more information on FreeBSD see: http://www.opensource.org/licenses/bsd-license.php
+
+# All images and materials produced by this code are licensed under the Creative Commons 
+# Attribution-Share Alike 3.0 United States License: http://creativecommons.org/licenses/by-sa/3.0/us/
+
+# All rights reserved.
+
+# NOTE: If you are running this in the R console you must use the 'setwd' command to set the 
+# working directory for the console to whereever you have saved this file prior to running.
+# Otherwise you will see errors when loading data or saving figures!
+
+
 library('ggplot2')
 
 # First code snippet