Nothing
##########################
# Dataset tab server
# downloadHandler() takes two arguments, both functions.
# The content function is passed a filename as an argument, and
# it should write out data to that filename.
output$downloadData <- downloadHandler(
# This function returns a string which tells the client
# browser what name to use when saving the file.
filename = function() {
"tailTest_dataexample.csv"
},
# This function should write data to a file given to it by
# the argument 'file'.
content = function(file) {
set.seed(98123)
data_example = data.frame(
Group = c(rep("Test", 30), rep("Reference", 30)),
value = round(c(rnorm(n = 30, mean = 0, sd = .7),
rnorm(n = 30, mean = 0, sd = 1)), 2))
# Write to a file specified by the 'file' argument
write.csv(data_example, file,
row.names = FALSE)
}
)
tailTest.env$outputData<-NULL
Dataset <- shiny::reactive({
if(is.null(input$outputfile)){
return(data.frame())
}
tailTest.env$outputData <- data.frame(do.call("read.csv",
list(input$outputfile$datapath)))
return(tailTest.env$outputData)
})
output$head_table <- renderTable(head(Dataset()),
caption = "Preview first 6 rows of the dataset",
caption.placement = getOption("xtable.caption.placement", "top"),
caption.width = getOption("xtable.caption.width", NULL))
output$choose_Vars<-shiny::renderUI({
if(is.null(input$outputfile))
return()
if(identical(Dataset(),'')||identical(Dataset(),data.frame()))
return(NULL)
tailTest.env$outputData <- Dataset()
tailTest.env$NUM <- dim(tailTest.env$outputData)[2] #Num of all variable ##
tailTest.env$Class <- sapply(apply(tailTest.env$outputData,2,unique),length) ##
tailTest.env$Colnames <- colnames(tailTest.env$outputData) ##
out <- column(6,
selectInput("group", label="Grouping variable", c("",tailTest.env$Colnames)),
selectInput("value", label="Values", c("",tailTest.env$Colnames)))
out
})
group_opts <- shiny::eventReactive(input$group, {
if(is.null(input$outputfile))
return()
if(identical(Dataset(),'')||identical(Dataset(),data.frame()))
return(NULL)
if(is.null(input$group)){
return(NULL)
}
dat = Dataset()
unique(dat[input$group])
})
output$choose_groups <- shiny::renderUI({
if(is.null(input$outputfile))
return()
if(identical(Dataset(),'')||identical(Dataset(),data.frame()))
return(NULL)
dat = Dataset()
tailTest.env$outputData <- dat
tailTest.env$NUM <- dim(tailTest.env$outputData)[2] #Num of all variable ##
tailTest.env$Class <- sapply(apply(tailTest.env$outputData,2,unique),length) ##
tailTest.env$Colnames <- colnames(tailTest.env$outputData) ##
if(input$group == ""){
return(NULL)
}
out <- column(6,
selectInput("reference", label="Reference", c("",group_opts())),
selectInput("test", label="Test", c("",group_opts())))
out
})
## Do the test -----------------------------------------------
c_value <- reactive({
if (is.na(input$c)) {
return(NULL)
} else{
return(input$c)
}
})
test_result <- eventReactive(input$submit, {
dat = Dataset()
reference = dat[which(dat$Group == input$reference), "value"]
test = dat[which(dat$Group == input$test), "value"]
result = testis.tails(Test = test, Reference = reference,
q = input$q, alpha = input$alpha, c = c_value())
result
})
output$test_result <- renderPrint({
print(test_result())
})
output$test_plot <- renderPlot({
plot(test_result())
})
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