Lägg till enkla indata för att ändra ett diagram

Fallstudier: Bygg webbapplikationer med Shiny i R

Dean Attali

Shiny Consultant

Gapminder-diagramapp

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Gapminder-diagramapp

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Gapminder-diagramapp

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Gapminder-diagramapp

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Gapminder-diagramapp

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Gapminder-diagramapp

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Gapminder-diagramapp

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Gapminder-diagramapp

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Gapminder-diagramapp

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Textindata

ui <- fluidPage( 
    textInput(inputId = "package", 
              label = "What's your favourite R package?",
              value = "shiny")
)

server <- function(input, output) {}

shinyApp(ui, server)

chapter2_2_adding_simple_inputs_to_modify_a_plot.012.png

str(input$package)

chr "shiny"

Numeriska indata

numericInput("years", "How many years have you been using R?",
             value = 4, min = 0, max = 25)

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str(input$years)

int 4

Kryssruteindata

checkboxInput("agree", "I agree to the terms and conditions",
              value = TRUE)

chapter2_2_adding_simple_inputs_to_modify_a_plot.020.png

str(input$agree)

logi TRUE

Nu kör vi en övning!

Fallstudier: Bygg webbapplikationer med Shiny i R