From cbf579a829a09d97c2923a5ea16fa1c2b896cba3 Mon Sep 17 00:00:00 2001
From: Lili Serfaty <lili.serfaty@gmail.com>
Date: Thu, 4 Sep 2014 11:18:41 -0500
Subject: [PATCH] create system to sort through books and place books within
 category based on content.

---
 Gemfile                  |  3 ++
 data/stopwords.txt       |  2 +-
 gutenberg.rb             |  3 +-
 lib/Gemfile              |  3 ++
 lib/complex_predictor.rb | 62 +++++++++++++++++++++++++++++++++-------
 5 files changed, 59 insertions(+), 14 deletions(-)
 create mode 100644 Gemfile
 create mode 100644 lib/Gemfile

diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..e688475
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gem 'pry-byebug'
\ No newline at end of file
diff --git a/data/stopwords.txt b/data/stopwords.txt
index 7336c7c..bcaccb4 100644
--- a/data/stopwords.txt
+++ b/data/stopwords.txt
@@ -1 +1 @@
-a,able,about,across,after,all,almost,also,am,among,an,and,any,are,as,at,be,because,been,but,by,can,cannot,could,dear,did,do,does,either,else,ever,every,for,from,get,got,had,has,have,he,her,hers,him,his,how,however,i,if,in,into,is,it,its,just,least,let,like,likely,may,me,might,most,must,my,neither,no,nor,not,of,off,often,on,only,or,other,our,own,rather,said,say,says,she,should,since,so,some,than,that,the,their,them,then,there,these,they,this,tis,to,too,twas,us,wants,was,we,were,what,when,where,which,while,who,whom,why,will,with,would,yet,you,your,one,out,more,now,first,two,very,such,same,shall,upon,before,therefore,great,made,even,same,work,make,being,through,here,way,true,see,time,those,place,much,without,body,whole,another,thus,set,new,given,both,above,well,part,between,end,order,each,form,gutenberg
+a,able,about,across,after,all,almost,also,am,among,an,and,any,are,as,at,be,because,been,but,by,can,cannot,could,dear,did,do,does,either,else,ever,every,for,from,get,got,had,has,have,he,her,hers,him,his,how,however,i,if,in,into,is,it,its,just,least,let,like,likely,may,me,might,most,must,my,neither,no,nor,not,of,off,often,on,only,or,other,our,own,rather,said,say,says,she,should,since,so,some,than,that,the,their,them,then,there,these,they,this,tis,to,too,twas,us,wants,was,we,were,what,when,where,which,while,who,whom,why,will,with,would,yet,you,your,one,out,more,now,first,two,very,such,same,shall,upon,before,therefore,great,made,even,same,work,make,being,through,here,way,true,see,time,those,place,much,without,body,whole,another,thus,set,new,given,both,above,well,part,between,end,order,each,form,gutenberg,project,
diff --git a/gutenberg.rb b/gutenberg.rb
index 84d20f6..68fb1ef 100644
--- a/gutenberg.rb
+++ b/gutenberg.rb
@@ -16,13 +16,12 @@ def run!(predictor_klass, opts={})
   predictor.train!
   puts "Training took #{Time.now - start_time} seconds."
 
-  puts "Predicting..."
   start_time = Time.now
   accuracy = predictor.predict_test_set(opts)
   puts "Predictions took #{Time.now - start_time} seconds."
   puts "Accuracy: #{accuracy}"
 end
 
-run!(SimplePredictor)
+# run!(SimplePredictor)
 run!(ComplexPredictor, debug: true)
 
diff --git a/lib/Gemfile b/lib/Gemfile
new file mode 100644
index 0000000..e688475
--- /dev/null
+++ b/lib/Gemfile
@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gem 'pry-byebug'
\ No newline at end of file
diff --git a/lib/complex_predictor.rb b/lib/complex_predictor.rb
index b8921f3..de205fa 100644
--- a/lib/complex_predictor.rb
+++ b/lib/complex_predictor.rb
@@ -1,22 +1,62 @@
 require_relative 'predictor'
+require 'pry-byebug'
 
 class ComplexPredictor < Predictor
-  # Public: Trains the predictor on books in our dataset. This method is called
-  # before the predict() method is called.
-  #
-  # Returns nothing.
+
   def train!
     @data = {}
+    @top_token_words = {}
+
+    @all_books.each do |category, books|
+      @data[category] = {
+        token: {}
+      }
+      books.each do |filename, tokens|
+        tokens.each do |token|
+          #  i thought nested if statements were no-nos so patrick helped me with this part. 
+          if good_token?(token)
+            if @data[category][:token][token]
+              @data[category][:token][token] += 1
+            else
+              @data[category][:token][token] = 1
+            end
+          end
+        end
+      end
+    end
+    top_tokens = nil
+
+    @data.each do |category, token|
+      # binding.pry
+      top_tokens = @data[category][:token].sort_by { |token, count| count }.reverse[0..15]
+      @top_token_words[category] = []
+      # yusef helped me through a tricky time with arrays and string and stuff in my hash value
+        top_tokens.each do |x|
+          if @top_token_words[category]
+            @top_token_words[category] << x[0]
+          end
+        end
+    end
   end
 
-  # Public: Predicts category.
-  #
-  # tokens - A list of tokens (words).
-  #
-  # Returns a category.
   def predict(tokens)
-    # Always predict astronomy, for now.
-    :astronomy
+
+    predicted_category = nil
+
+    max_match = 0
+    @top_token_words.each do |category, top_words|
+      count_match = 0
+        tokens.each do |token|
+          if top_words.include? token
+            count_match += 1
+          end
+        end
+        if count_match > max_match
+          predicted_category = category
+          max_match = count_match
+        end
+      end
+      predicted_category.to_sym
   end
 end