การเพิ่มโครงสร้างให้กับแอป

# Load the shiny package
library(shiny)

# Define UI for the application
ui <- ___(
  # Add a sidebar layout to the application
  ___(
    # Add a sidebar panel around the text and inputs
    ___(
      h4("Plot parameters"),
      textInput("title", "Plot title", "Car speed vs distance to stop"),
      numericInput("num", "Number of cars to show", 30, 1, nrow(cars)),
      sliderInput("size", "Point size", 1, 5, 2, 0.5)
    ),
    # Add a main panel around the plot and table
    ___(
      plotOutput("plot"),
      tableOutput("table")
    )
  )
)

# Define the server logic
server <- function(input, output) {
  output$plot <- renderPlot({
    plot(cars[1:input$num, ], main = input$title, cex = input$size)
  })
  output$table <- renderTable({
    cars[1:input$num, ]
  })
}

# Run the application
shinyApp(ui = ui, server = server)