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Table of Contents Using the Enron dataset 200 Accessing the Enron dataset 201 Creating a dataset loader 201 Putting it all together 206 Evaluation 207 Summary 209 Chapter 10: Clustering News Articles 211 Obtaining news articles 211 Using a Web API to get data 212 Reddit as a data source 215 Getting the data 216 Extracting text from arbitrary websites 218 Finding the stories in arbitrary websites 218 Putting it all together 220 Grouping news articles 222 The k-means algorithm 223 Evaluating the results 226 Extracting topic information from clusters 228 Using clustering algorithms as transformers 229 Clustering ensembles 230 Evidence accumulation 230 How it works 234 Implementation 235 Online learning 236 An introduction to online learning 236 Implementation 237 Summary 240 Chapter 11: Classifying Objects in Images Using Deep Learning 241 Object classification 242 Application scenario and goals 242 Use cases 245 Deep neural networks 246 Intuition 247 Implementation 247 An introduction to Theano 248 An introduction to Lasagne 249 Implementing neural networks with nolearn 254 [ v ]
Table of Contents GPU optimization 258 When to use GPUs for computation 258 Running our code on a GPU 259 Setting up the environment 261 Application 263 Getting the data 263 Creating the neural network 264 Putting it all together 267 Summary 269 Chapter 12: Working with Big Data 271 Big data 272 Application scenario and goals 273 MapReduce 274 Intuition 275 A word count example 276 Hadoop MapReduce 278 Application 279 Getting the data 280 Naive Bayes prediction 282 The mrjob package 282 Extracting the blog posts 283 Training Naive Bayes 285 Putting it all together 288 Training on Amazon's EMR infrastructure 293 Summary 296 Appendix: Next Steps… 297 Chapter 1 – Getting Started with Data Mining 297 Scikit-learn tutorials 297 Extending the IPython Notebook 298 Chapter 2 – Classifying with scikit-learn Estimators 298 Scalability with the nearest neighbor 298 More complex pipelines 299 Comparing classifiers 299 Chapter 3: Predicting Sports Winners with Decision Trees 300 More on pandas 300 More complex features 300 Chapter 4 – Recommending Movies Using Affinity Analysis 301 New datasets 301 The Eclat algorithm 301 [ vi ]
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Page 5 and 6: About the Author Robert Layton has
Page 7 and 8: Christophe Van Gysel is pursuing a
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Page 11 and 12: Table of Contents Preprocessing usi
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Page 18 and 19: Preface If you have ever wanted to
Page 20 and 21: What you need for this book It shou
Page 22 and 23: Preface Reader feedback Feedback fr
Page 24 and 25: Getting Started with Data Mining We
Page 26 and 27: Chapter 1 In the preceding dataset,
Page 28 and 29: After you have the above "Hello, wo
Page 30 and 31: Chapter 1 Windows users may need to
Page 32 and 33: Chapter 1 The dataset we are going
Page 34 and 35: Chapter 1 As an example, we will co
Page 36 and 37: We get the names of the features fo
Page 38 and 39: Chapter 1 Two rules are near the to
Page 40 and 41: Chapter 1 The scikit-learn library
Page 42 and 43: We then iterate over all the sample
Page 44 and 45: Chapter 1 Overfitting is the proble
Page 46: Chapter 1 Summary In this chapter,
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Predicting Sports Winners with Deci
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Recommending Movies Using Affinity
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Chapter 4 The classic algorithm for
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Chapter 4 When loading the file, we
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Chapter 4 We will sample our datase
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Chapter 4 Implementation On the fir
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Chapter 4 We want to break out the
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The process starts by creating dict
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movie_name_data.columns = ["MovieID
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To do this, we will compute the tes
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Chapter 4 - Train Confidence: 1.000
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Extracting Features with Transforme
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Chapter 5 Thought should always be
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Chapter 5 Other features describe a
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Chapter 5 Similarly, we can convert
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Chapter 5 [18, 19, 20], [21, 22, 23
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Chapter 5 Next, we create our trans
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Chapter 5 This returns a different
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Also, we want to set the final colu
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Chapter 5 The downside to transform
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Chapter 5 A transformer is akin to
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We can then create an instance of t
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Chapter 5 Putting it all together N
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Social Media Insight Using Naive Ba
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Discovering Accounts to Follow Usin
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Chapter 7 Next, we will need a list
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Chapter 7 Make sure the filename is
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Chapter 7 cursor = results['next_cu
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Chapter 7 Next, we are going to rem
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Chapter 7 Creating a graph Now, we
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Chapter 7 As you can see, it is ver
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Chapter 7 Next, we will only add th
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Chapter 7 The difference in this gr
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Chapter 7 We can graph the entire s
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Chapter 7 Optimizing criteria Our a
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Chapter 7 Next, we need to get the
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• method='nelder-mead': This is u
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Beating CAPTCHAs with Neural Networ
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Chapter 8 The red lines indicate th
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Chapter 8 The combination of an app
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Chapter 8 Next we set the font of t
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Chapter 8 We can then extract the s
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Chapter 8 Our targets are integer v
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Chapter 8 Then we iterate over our
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Chapter 8 From these predictions, w
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Chapter 8 This code correctly predi
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The result is shown in the next gra
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Chapter 8 However, it isn't very go
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Chapter 8 Summary In this chapter,
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Authorship Attribution Attributing
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Authorship Attribution If we cannot
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Authorship Attribution After taking
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Authorship Attribution This dataset
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Authorship Attribution "instead", "
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Authorship Attribution Support vect
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Authorship Attribution Kernels When
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Authorship Attribution We can reuse
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Authorship Attribution With our dat
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Authorship Attribution We then reco
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Authorship Attribution If it doesn'
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Authorship Attribution Finally, we
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Clustering News Articles In most of
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Chapter 10 API Endpoints are the ac
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The token object is just a dictiona
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Chapter 10 We then create a list to
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Chapter 10 We are going to use MD5
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Chapter 10 Next, we develop the cod
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Chapter 10 We use clustering techni
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Chapter 10 The k-means algorithm is
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Chapter 10 We only fit the X matrix
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Chapter 10 We then print out the mo
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Chapter 10 Our function definition
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Chapter 10 The result from the prec
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Chapter 10 Implementation Putting a
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Chapter 10 Neural networks can also
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We then call the partial_fit functi
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Classifying Objects in Images Using
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Chapter 11 This dataset comes from
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You can change the image index to s
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Chapter 11 Each of these issues has
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Chapter 11 Using Theano, we can def
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Chapter 11 Building a neural networ
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Chapter 11 Finally, we create Thean
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Chapter 11 return [image,] return s
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Chapter 11 Next, we define how the
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Chapter 11 Getting your code to run
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Chapter 11 Setting up the environme
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This will unzip only one Coval.otf
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Chapter 11 First we create the laye
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Chapter 11 Finally, we set the verb
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Chapter 11 Summary In this chapter,
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Working with Big Data Big data What
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Working with Big Data Governments a
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Working with Big Data We start by c
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Working with Big Data The final ste
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Working with Big Data Getting the d
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Working with Big Data If we aren't
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Working with Big Data Before we sta
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Working with Big Data The first val
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Working with Big Data This gives us
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Working with Big Data Next, we crea
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Working with Big Data Then, make a
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Working with Big Data Left-click th
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Working with Big Data The result is
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Next Steps… Extending the IPython
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Next Steps… Chapter 3: Predicting
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Next Steps… Vowpal Wabbit http://
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Next Steps… Deeper networks These
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Next Steps… Real-time clusterings
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Next Steps… More resources Kaggle
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authorship, attributing 185-188 AWS
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feature extraction about 82 common
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NetworkX about 145 defining 303 URL
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scikit-learn package references 305
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Thank you for buying Learning Data
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Learning Python Data Visualization
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