R and Shiny for Web Application Development

  1. Advanced Shiny Development
    1. Modularizing Applications
      1. The Need for Modules
        1. Creating a Shiny Module
          1. Module UI Function
            1. Module Server Function
            2. Calling Modules
              1. callModule
              2. Namespacing in Modules
                1. Organizing Code for Large Applications
                2. Handling Data
                  1. Uploading Files
                    1. Handling File Inputs
                      1. Validating Uploaded Data
                      2. Downloading Data and Reports
                        1. downloadButton
                          1. downloadHandler
                            1. Generating Dynamic Reports
                          2. Dynamic UI Generation
                            1. Using renderUI and uiOutput
                              1. Inserting UI Elements
                                1. insertUI
                                2. Removing UI Elements
                                  1. removeUI
                                  2. Conditional and Contextual UI
                                  3. Asynchronous Programming
                                    1. The promises Package
                                      1. Offloading Long-Running Computations
                                        1. The future Package
                                          1. Updating UI During Long Tasks
                                          2. Bookmarking State
                                            1. Enabling Bookmarking
                                              1. Saving Application State
                                                1. Restoring Application State
                                                  1. URL-Based Bookmarking

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                                                6. Enhancing User Experience and Design

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                                                8. Debugging and Optimization