This is very good tutorial to help you navigate the creation of satisfying Shiny applications. The author provides many example codes that demonstrates some of the key concepts.
This tutorial is a hands-on activity complement to a set of presentation slides for learning how to build Shiny apps.
The author describes step-by-step and interactively how to build a shiny application.
R Markdown offers a wide range of functions and arguments for full control of image sizes but knowing how and when to use them can be daunting particularly given the differences in how external images are handled vs R-generated...
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