Nothing
# # Shiny server: Sampling
#_________________________________________________________________________________________
shinyServer(function(input, output) {
#_________________________________________________________________________________________
# eventReactive----
inputVal_eventReactive <- eventReactive(input$cmdUpdate, {
iseed <- input$numRN + (as.integer(input$cmdUpdate)-1)
pmean <- input$pmean
psd <- input$psd
n <- input$n
k <- input$k
fn_InputData_repeatable <- repeatable(rngfunc = fn_InputData, seed = iseed)
fn_InputData_repeatable(pmean = pmean, psd = psd,
n = n, k = k)
})
#_________________________________________________________________________________________
# reactive----
inputVal_reactive <- reactive({
pmean <- input$pmean
psd <- input$psd
n <- input$n
k <- input$k
fn_InputData(pmean = pmean, psd = psd,
n = n, k = k)
})
#_________________________________________________________________________________________
# Output ----
output$dnorm_plot <- renderPlot({
if(input$chkUpdate){
fn_dnorm(inputVal_reactive())
} else {
fn_dnorm(inputVal_eventReactive())
}
})
output$dotplot1 <- renderPlot({
if(input$chkUpdate){
fn_dotplot1(inputVal_reactive())
} else {
fn_dotplot1(inputVal_eventReactive())
}
})
output$dotplot2 <- renderPlot({
if(input$chkUpdate){
fn_dotplot2(inputVal_reactive())
} else {
fn_dotplot2(inputVal_eventReactive())
}
})
output$txt1 <- renderText({
k = input$k
paste0("... continuing to Sample ", k,".")
})
output$distn_mean <-renderPlot({
if(input$chkUpdate){
fn_distn_mean(inputVal_reactive())
} else {
fn_distn_mean(inputVal_eventReactive())
}
})
output$txt2 <- renderText({
distname = "population following normal distribution"
k = input$k
n = input$n
paste("Distribution of means of", k, "random samples,\n
each consisting of", n, " observations\n
from a", distname)
})
output$CI_1 <- renderPlot({
if(input$chkUpdate){
fn_CI_1(inputVal_reactive())
} else {
fn_CI_1(inputVal_eventReactive())
}
})
output$CI_2 <- renderPlot({
if(input$chkUpdate){
fn_CI_2(inputVal_reactive())
} else {
fn_CI_2(inputVal_eventReactive())
}
})
output$txtCI <- renderText({
distname = "population following normal distribution"
k = input$k
n = input$n
paste("95% Confidence Interval of means of", k, "random samples,\n
each consisting of", n, " observations\n
from a", distname)
})
samp <- renderTable({
if(input$chkUpdate){
fn_Report(inputVal_reactive())[['sstat']]
} else {
fn_Report(inputVal_eventReactive())[['sstat']]
}
}, striped = TRUE, hover = TRUE, bordered = TRUE, align = 'c')
output$samp <- renderUI(fluidPage(samp, style="overflow-y:scroll; height: 300px"))
output$smean <- renderUI(
if(input$chkUpdate){
fn_Report(inputVal_reactive())[['txtMean']]
} else {
fn_Report(inputVal_eventReactive())[['txtMean']]
}
)
output$CI <- renderUI(
if(input$chkUpdate){
fn_Report(inputVal_reactive())[['txtCI']]
} else {
fn_Report(inputVal_eventReactive())[['txtCI']]
}
)
#_________________________________________________________________________________________
})
#_________________________________________________________________________________________
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