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Runtime error
| library(shiny) | |
| library(bslib) | |
| library(dplyr) | |
| library(ggplot2) | |
| df <- readr::read_csv("penguins.csv") | |
| # Find subset of columns that are suitable for scatter plot | |
| df_num <- df |> select(where(is.numeric), -Year) | |
| ui <- page_fillable( | |
| theme = bs_theme(bootswatch = "minty"), | |
| layout_sidebar( | |
| sidebar( | |
| varSelectInput("xvar", "X variables", df_num, selected = "Bill Length (mm)"), | |
| varSelectInput("yvar", "Y variables", df_num, selected = "Bill Depth (mm)"), | |
| checkboxGroupInput("species", "Filter by species", | |
| choices = unique(df$Species), selected = unique(df$Species) | |
| ) | |
| ), | |
| plotOutput("scatter") | |
| ) | |
| ) | |
| server <- function(input, output, session) { | |
| subsetted <- reactive({ | |
| req(input$species) | |
| df |> filter(Species %in% input$species) | |
| }) | |
| output$scatter <- renderPlot({ | |
| p <- ggplot(subsetted(), aes(.data[[input$xvar]], .data[[input$yvar]])) + | |
| theme(legend.position = "bottom") | |
| p | |
| }) | |
| } | |
| shinyApp(ui, server) | |