Created
July 31, 2015 21:34
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Toggling user-selected layers with ggplot2 in a Shiny app
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| library("shiny") | |
| library("ggplot2") | |
| shinyServer(function(input, output) { | |
| output$myplot <- renderPlot({ | |
| ## Create a boxplot with optional jittering | |
| p <- ggplot(iris, aes(x = Species, y = Petal.Length)) + | |
| geom_boxplot() + | |
| ylab("Petal Length") | |
| if (input$optlayer) { | |
| p <- p + geom_jitter() | |
| } | |
| p | |
| }) | |
| }) |
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| library("shiny") | |
| shinyUI(pageWithSidebar( | |
| ## App title | |
| titlePanel("Toggling User-Selected Layers"), | |
| # Sidebar with a layer that user can choose to add | |
| sidebarPanel( | |
| checkboxInput("optlayer", label = "Jitter", value = FALSE) | |
| ), | |
| ## Show plot in main panel | |
| mainPanel( | |
| plotOutput("myplot") | |
| ) | |
| ) | |
| ) |
Author
karawoo
commented
Jul 31, 2015
Lovely, nice solution to the problem :-)
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