0byt3m1n1
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Program Files
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R
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R-4.2.2
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library
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shinyWidgets
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examples
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dropdown
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File: ex-sw-dropdown.R
library("shiny") library("shinyWidgets") ui <- fluidPage( tags$h1("Exemple dropdown"), dropdown( tags$h3("List of Input"), shinyWidgets::pickerInput(inputId = 'xcol', label = 'X Variable', choices = names(iris)), selectInput(inputId = 'ycol', label = 'Y Variable', choices = names(iris), selected = names(iris)[[2]]), sliderInput(inputId = 'clusters', label = 'Cluster count', value = 3, min = 1, max = 9), style = "material-circle", icon = icon("gear"), status = "danger", animate = animateOptions(enter = animations$zooming_entrances$zoomInDown, exit = animations$zooming_exits$zoomOutUp, duration = 1) ), plotOutput(outputId = 'plot1') ) server <- function(input, output, session) { selectedData <- reactive({ iris[, c(input$xcol, input$ycol)] }) clusters <- reactive({ kmeans(selectedData(), input$clusters) }) output$plot1 <- renderPlot({ palette(c("#E41A1C", "#377EB8", "#4DAF4A", "#984EA3", "#FF7F00", "#FFFF33", "#A65628", "#F781BF", "#999999")) par(mar = c(5.1, 4.1, 0, 1)) plot(selectedData(), col = clusters()$cluster, pch = 20, cex = 3) points(clusters()$centers, pch = 4, cex = 4, lwd = 4) }) } shinyApp(ui = ui, server = server)