Textual Analysis

  1. Data Acquisition and Preprocessing
    1. Acquiring Text Data
      1. Web Scraping
        1. Web Crawling Basics
          1. HTML Parsing
            1. Handling Dynamic Content
              1. JavaScript Rendering
                1. Robots.txt Compliance
                  1. Rate Limiting Strategies
                  2. Application Programming Interfaces
                    1. RESTful APIs for Text Data
                      1. GraphQL APIs
                        1. Rate Limiting and Authentication
                          1. API Key Management
                            1. Pagination Handling
                            2. File Formats and Data Sources
                              1. Plain Text Files
                                1. CSV Files
                                  1. JSON Files
                                    1. XML Files
                                      1. PDF Documents
                                        1. Microsoft Office Documents
                                          1. Handling Encoding Issues
                                            1. UTF-8 Encoding
                                              1. Character Set Detection
                                                1. Encoding Conversion
                                              2. Database Sources
                                                1. Relational Databases
                                                  1. NoSQL Databases
                                                    1. Document Stores
                                                      1. Querying Text Data
                                                        1. Database Connection Management
                                                        2. Streaming Data Sources
                                                          1. Real-time Text Streams
                                                            1. Message Queues
                                                              1. Social Media Streams
                                                            2. Text Cleaning and Normalization
                                                              1. Basic Text Cleaning
                                                                1. Case Conversion
                                                                  1. Punctuation Removal
                                                                    1. Number Handling
                                                                      1. Number Removal
                                                                        1. Number Normalization
                                                                        2. Whitespace Handling
                                                                          1. Leading and Trailing Spaces
                                                                            1. Multiple Spaces
                                                                              1. Tab and Newline Characters
                                                                            2. Advanced Text Cleaning
                                                                              1. HTML Tag Removal
                                                                                1. Special Character Handling
                                                                                  1. URL and Email Extraction
                                                                                    1. Contraction Expansion
                                                                                      1. Spelling Correction
                                                                                        1. Edit Distance Methods
                                                                                          1. Dictionary-Based Correction
                                                                                          2. Handling Accented Characters
                                                                                            1. Unicode Normalization
                                                                                              1. Diacritic Removal
                                                                                            2. Content-Specific Cleaning
                                                                                              1. Removing Non-Textual Elements
                                                                                                1. Tables
                                                                                                  1. Images
                                                                                                    1. Captions
                                                                                                    2. Boilerplate Text Detection
                                                                                                  2. Tokenization
                                                                                                    1. Word Tokenization
                                                                                                      1. Whitespace Tokenization
                                                                                                        1. Punctuation-Based Tokenization
                                                                                                          1. Language-Specific Challenges
                                                                                                            1. Agglutinative Languages
                                                                                                              1. Logographic Scripts
                                                                                                                1. Right-to-Left Scripts
                                                                                                              2. Sentence Tokenization
                                                                                                                1. Sentence Boundary Detection
                                                                                                                  1. Abbreviation Handling
                                                                                                                    1. Quote and Parentheses Handling
                                                                                                                    2. Subword Tokenization
                                                                                                                      1. Byte Pair Encoding
                                                                                                                        1. WordPiece Tokenization
                                                                                                                          1. SentencePiece
                                                                                                                            1. Unigram Language Model
                                                                                                                            2. Advanced Tokenization
                                                                                                                              1. Regular Expression Tokenization
                                                                                                                                1. Custom Tokenization Rules
                                                                                                                                  1. Tokenization Evaluation
                                                                                                                                2. Stop Word Removal
                                                                                                                                  1. Standard Stop Word Lists
                                                                                                                                    1. Language-Specific Lists
                                                                                                                                      1. Domain-Specific Considerations
                                                                                                                                      2. Creating Custom Stop Word Lists
                                                                                                                                        1. Frequency-Based Selection
                                                                                                                                          1. Domain-Specific Stop Words
                                                                                                                                          2. Impact on Analysis
                                                                                                                                            1. When to Use Stop Word Removal
                                                                                                                                              1. Alternatives to Stop Word Removal
                                                                                                                                            2. Morphological Analysis
                                                                                                                                              1. Stemming
                                                                                                                                                1. Porter Stemmer
                                                                                                                                                  1. Snowball Stemmer
                                                                                                                                                    1. Lancaster Stemmer
                                                                                                                                                      1. Limitations of Stemming
                                                                                                                                                        1. Over-Stemming
                                                                                                                                                          1. Under-Stemming
                                                                                                                                                        2. Lemmatization
                                                                                                                                                          1. Rule-Based Lemmatization
                                                                                                                                                            1. Dictionary-Based Lemmatization
                                                                                                                                                              1. Statistical Lemmatization
                                                                                                                                                                1. Lemmatization vs Stemming Trade-offs
                                                                                                                                                                2. Morphological Parsing
                                                                                                                                                                  1. Root and Affix Identification
                                                                                                                                                                    1. Inflectional vs Derivational Morphology

                                                                                                                                                                Previous

                                                                                                                                                                1. Foundations of Textual Analysis

                                                                                                                                                                Go to top

                                                                                                                                                                Next

                                                                                                                                                                3. Feature Engineering and Text Representation