Nothing
server = function(input, output, session) {
output$barplot <- renderPlot({
par(oma = c(0,0,0,0), mar = c(4.5,4,2,2))
input$bareval
return(isolate(eval(parse(text=input$barcode))))
})
output$piechart <- renderPlot({
par(oma = c(0,0,0,0), mar = c(4.5,4,2,2))
input$pie
return(isolate(eval(parse(text=input$piecode))))
})
output$boxplot <- renderPlot({
par(oma = c(0,0,0,0), mar = c(4.5,4,2,2))
input$boxeval
return(isolate(eval(parse(text=input$boxcode))))
})
output$trellis <- renderPlot({
plot(datasets::mtcars[,c(input$mtcars)], col = rainbow(length(input$mtcars)),
pch = 16, cex = 1+length(input$mtcars)*.1)
})
}
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