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  3. Building Web Applications with Shiny in R

Exercise

Add output (UI/Server)

The next step in building your app is to add an empty plot as a placeholder. Recall that in order to add a plot p assigned to an object named x to a Shiny app, you need to:

  1. Render the plot object using renderPlot({p}).
  2. Assign the rendered plot to output$x.
  3. Display the plot in the UI using plotOutput("x").

The shiny and ggplot2 packages are pre-loaded for you.

Instructions

100 XP
  • Create an empty plot by calling ggplot(), render it, and assign it to an output named 'trend'.
  • Display the plot in the UI. Be sure to add a comma after textInput().