Document frequency or df(w) is the number of documents in the corpus in which this word occurs. In our example, df(dog) = 2, dog appears in both the sentences.
- Preface
- Association Rule Mining
- Fuzzy Logic Induced Content-Based Recommendation
- Collaborative Filtering
- Taming Time Series Data Using Deep Neural Networks
- Twitter Text Sentiment Classification Using Kernel Density Estimates
- Record Linkage - Stochastic and Machine Learning Approaches
- Streaming Data Clustering Analysis in R
- Analyze and Understand Networks Using R
Document frequency
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