R code for grading students using r shinny

 

RCODE FOR GRADING STUDENTS

 

library(shiny)

library(shinythemes)

  ui<-fluidPage(theme=shinytheme("superhero"),

    sidebarLayout(

      sidebarPanel(

        titlePanel("ENTER YOUR GRADE"),

  numericInput("num","MATH",value=0,min=0,max=100),

  numericInput("num1","ENGLISH",value=1,min=0,max=100),

  numericInput("num2","KISWAHILI",value=1,min=0,max=100),

  numericInput("num3","SCIENCE",value=1,min=0,max=100),

  numericInput("num4","CRE",value=1,min=0,max=100),

  numericInput("num5","select no of units you took",value=1,min=1,max=80),

  fileInput("fl","upload")

 

),mainPanel(

  titlePanel("Estimate your mean score"),

 

  navbarPage(

  tabPanel("dumm"),

  tabPanel("How",tags$div(HTML("<i>Use the app by inputing marks you scored<br>

                               :</i>"))

           ),

  tabPanel("About",tags$div(HTML("<p>The estimator app was designed by Harron  as a project,

                                .<br>

                                 contact:0746494596<br>

                                 "))),

  tabPanel("Rate me",

           radioButtons("r","how would you rate the app on a scale of 1: 10 ",choices=c("1:4POOR","5:7 AVERAGE","8:10 EXCELLENT"))

,textInput("txt","What features do you recommend improvement on"),

           actionButton("sub","submit") )

          ),

h1("final score"),

  verbatimTextOutput("n"),

 actionLink("link","find my github resipitory")

    )

               )

)

 server<-function(input,output,session){

   output$n<-renderPrint({

     a<-input$num

     b<-input$num1

     c<-input$num2

     d<- input$num3

     e<-input$num4

     f<-(a)+(b)+(c)+(d)+e

     w<-f/input$num5

   w

  if(w<=39){

    paste(w,"E; FAIL PULL UP YOUR SOCKS")

  } else if(w>=40&w<=49){

    paste(w,"D; PASS")

   

  }

   else if(w>=50&w<=59){    paste(w,"c: SECOND CLASS LOWER”)

   }else if(w>=60&w<=69){    paste(w,"B: SECOND CLASS UPPER")

   }else if(w>=70&w<=100){    paste(w,"A: FIRST CLASS")

   }

   else{

     paste(w,"INVALID")

   }

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