Conclusion: Next Steps

Congratulations on completing Part I of this project! This is tutorial has been part of a larger series in which you can learn even more about basic web development for statistical applications. Please join us in the next tutorials:

• Part II: Putting our calculator online. Includes:

  • Setting up a Linux (Ubuntu) web server

  • Getting started with Apache web server software

  • Connecting to our server with Secure Shell (SSH)

  • Purchasing and assigning a domain name to our web app

     

• Part III: Improving our app. Includes:

  • Adding additional features: incorporating a critical value and options for various analysis tails

  • Front-end validation of user input

  • UI/UX testing

  • Introducing more HTML elements

  • More in-depth CSS styling: CSS Grid and media queries for responsive design (e.g., mobile friendly)

• Part IV: Building back-end functionality with PHP and R. Includes:

  • Building server-side functionality with PHP

  • Security and back-end validation of user input

  • Installing and using R on the server

  • Using R to write specialized statistical functions

  • Calling R functions from PHP

• Part V: Serving Graphics with R. Includes:

  • Visaulizing p-values in R

  • Writing R plots to a server file

  • Virutal X11 image buffering

• Part VI: Reaching Users. Includes:

  • SSL HTTPS certification

  • Tracking web traffic to your app

  • Search Engine Optimization (SEO)