rCharts in shiny

#ui.r
library(shiny)
shinyUI(fluidPage(
   titlePanel("iris data for bootstrap rcharts layout test"),
   sidebarLayout
   (
      sidebarPanel
      (
      selectInput("sp",label="choose iris species",choices=c("all","setosa","versicolor","virginica"))
      ),

      mainPanel
      (
      navbarPage(
         title="",
         tabPanel("iris_raw",dataTableOutput("table")),
         tabPanel("scatter_plot",showOutput("scatter","Highcharts"),showOutput("scatter2","Highcharts")
         ))
      )
   )
                 )
         )


#server.r
library(shiny)
library(rCharts)
#Polycharts：rPlot
#nvd3：nPlot
#morris：mPlot
#highcharts：hPlot
#xCharts：xPlot

shinyServer(function(input, output) {
   output$table <- renderDataTable({
      iris.new=iris
      if(input$sp!="all") {iris.new=iris[which(iris$Species==input$sp),]}
      iris.new
   })

   output$scatter=renderChart( #draw relationship between Sepal.Length & Sepal.Width
      {
         iris.new=iris
         if(input$sp!="all") {iris.new=iris[which(iris$Species==input$sp),]}
         a <- hPlot(x="Petal.Length",y="Petal.Width",data = iris.new,type = "scatter")
         a

      }
   )
   output$scatter=renderChart( #draw relationship between Petal.Length & Petal.Width
      {
         iris.new=iris
         if(input$sp!="all") {iris.new=iris[which(iris$Species==input$sp),]}
         a <- rPlot(x="Petal.Length",y="Petal.Width",data = iris.new[which(iris.new$Species==input$sp),],type = "point")
         a
      }
   )
      }
   )