Initial commit

.gitignore

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+.Rproj.user
+.Rhistory
+.RData
+.Ruserdata

app.R

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+library(shiny)
+library(bslib)
+library(dplyr)
+library(ggplot2)
+
+df <- palmerpenguins::penguins
+
+choices <- c(
+  "Bill length (mm)" = "bill_length_mm",
+  "Bill depth (mm)" = "bill_depth_mm",
+  "Flipper length (mm)" = "flipper_length_mm",
+  "Body mass (g)" = "body_mass_g"
+)
+
+ui <- page_fillable(theme = bs_theme(bootswatch = "minty"),
+  layout_sidebar(fillable = TRUE,
+    sidebar(
+      selectInput("xvar", "X variable", choices, selected = choices[[1]]),
+      selectInput("yvar", "Y variable", choices, selected = choices[[2]]),
+      checkboxInput("smooth", "Add smoother"),
+      checkboxInput("species", "By species", TRUE)
+    ),
+    plotOutput("scatter")
+  )
+)
+
+server <- function(input, output, session) {
+  subsetted <- reactive({
+    df[, unique(c(input$xvar, input$yvar, "species"))]
+  })
+  
+  output$scatter <- renderPlot({
+    ggplot(subsetted(), aes_string(input$xvar, input$yvar, color = if (input$species) "species")) +
+      geom_point() +
+      xlab(names(choices)[choices == input$xvar]) +
+      ylab(names(choices)[choices == input$yvar]) +
+      if (input$smooth) geom_smooth()
+  }, res = 100)
+}
+
+shinyApp(ui, server)

examples.Rproj

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+Version: 1.0
+
+RestoreWorkspace: Default
+SaveWorkspace: Default
+AlwaysSaveHistory: Default
+
+EnableCodeIndexing: Yes
+UseSpacesForTab: Yes
+NumSpacesForTab: 2
+Encoding: UTF-8
+
+RnwWeave: Sweave
+LaTeX: pdfLaTeX