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| "title": "Introduction", |
| "text": "%md\n\n[Shiny](https://shiny.rstudio.com/tutorial/) is an R package that makes it easy to build interactive web applications (apps) straight from R. For developing one Shiny App in Zeppelin, you need to at least 3 paragraphs (server paragraph, ui paragraph and run type paragraph)\n", |
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| "title": "Shiny Server", |
| "text": "%r.shiny(type\u003dserver)\n\n# Define server logic to summarize and view selected dataset ----\nserver \u003c- function(input, output) {\n\n # Return the requested dataset ----\n datasetInput \u003c- reactive({\n switch(input$dataset,\n \"rock\" \u003d rock,\n \"pressure\" \u003d pressure,\n \"cars\" \u003d cars)\n })\n\n # Generate a summary of the dataset ----\n output$summary \u003c- renderPrint({\n dataset \u003c- datasetInput()\n summary(dataset)\n })\n\n # Show the first \"n\" observations ----\n output$view \u003c- renderTable({\n head(datasetInput(), n \u003d input$obs)\n })\n\n}", |
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| "data": "Write server.R to /tmp/zeppelin-shiny626071477036151736 successfully." |
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| "dateFinished": "2021-07-31 12:35:56.193", |
| "status": "FINISHED" |
| }, |
| { |
| "title": "Shiny UI", |
| "text": "%r.shiny(type\u003dui)\n\n# Define UI for dataset viewer app ----\nui \u003c- fluidPage(\n\n # App title ----\n titlePanel(\"Shiny Text\"),\n\n # Sidebar layout with a input and output definitions ----\n sidebarLayout(\n\n # Sidebar panel for inputs ----\n sidebarPanel(\n \n # Input: Selector for choosing dataset ----\n selectInput(inputId \u003d \"dataset\",\n label \u003d \"Choose a dataset:\",\n choices \u003d c(\"rock\", \"pressure\", \"cars\")),\n \n # Input: Numeric entry for number of obs to view ----\n numericInput(inputId \u003d \"obs\",\n label \u003d \"Number of observations to view:\",\n value \u003d 10)\n ),\n\n # Main panel for displaying outputs ----\n mainPanel(\n \n # Output: Verbatim text for data summary ----\n verbatimTextOutput(\"summary\"),\n \n # Output: HTML table with requested number of observations ----\n tableOutput(\"view\")\n \n )\n )\n)", |
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| "title": "Shiny App", |
| "text": "%r.shiny(type\u003drun)\n\n", |
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| "data": " 123: \u001b[37mhead.data.frame\u001b[39m\n 120: \u001b[34m\u001b[1mrenderTable [/tmp/zeppelin-shiny626071477036151736/server.R#22]\u001b[22m\u001b[39m\n 119: \u001b[37mfunc\u001b[39m\n 106: \u001b[37mrenderFunc\u001b[39m\n 105: \u001b[37moutput$view\u001b[39m\n 25: \u001b[37mrunApp\u001b[39m\nWarning message:\n“Error in if: missing value where TRUE/FALSE needed”\n\n" |
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| "text": "%r.shiny\n", |
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