![](/img/trans.png)
[英]R Shinydashboard Showing/Hiding UI Elements based on Tab selection
[英]R shinydashboard not showing content conditioned on if and if…else statement
我有一個閃亮的儀表板,我想在其中顯示基於 selectInput("instruenti") 的內容,它有 4 個選項。
我設法為基於 renderLeaflet 的輸出“mymap”和 if、else if 和 else 語句做到這一點,但它不適用於基於 renderPlotly 的 Plotly 輸出“Odnos ulaganja i stanovništva”。
這是模擬數據(iris 數據集)上的 UI 和服務器的代碼,它與我的原始數據存在相同的問題: UI:
library(shiny)
library(shinydashboard)
library(plotly)
library(tidyverse)
library(leaflet)
Vrste<- c("setosa", "versicolor", "virginica")
ui <- dashboardPage(
dashboardHeader(title = "mockapp"),
dashboardSidebar(sidebarMenu(
menuItem("Geografski prikaz", tabName = "Geografski_prikaz",
menuItem(selectInput("instrumenti", "Instrumenti",
choices = Vrste), tabName = "Submenu")))),
dashboardBody(
tabItems(
# First tab content
tabItem(tabName = "Submenu",
fluidRow(
box(width=12, solidHeader = TRUE,
title = "Geografski prikaz ulaganja",
leafletOutput("mymap", height=550))),
fluidRow(
box(title ="Odnos ulaganja i stanovništva", solidHeader = TRUE, plotlyOutput("scatter", width=4,height=220)),
box(title ="Ulaganje po stanovniku", solidHeader = TRUE, plotlyOutput("bar", width=6,height=250)),
tags$head(tags$style(HTML(' /* body */
.content-wrapper, .right-side {
background-color: #FFFFFF;
}'
)
)
))))))
服務器:
server <- function(input, output, session) {
output$scatter<-renderPlotly({
if(input$instrumenti == "setosa"){
plot_ly(iris,
x = ~ Sepal.Length,
y = ~Sepal.Width) %>%
add_trace(type = 'scatter', mode = 'markers', opacity = 0.7)
} else if (input$instrumenti == "versicolor") {
plot_ly(iris,
x = ~ Sepal.Width,
y = ~Petal.Length) %>%
add_trace(type = 'scatter', mode = 'markers', opacity = 0.7)
} else {
plot_ly(iris,
x = ~ Petal.Length,
y = ~Petal.Width ) %>%
add_trace(type = 'scatter', mode = 'markers', opacity = 0.7)
}
})
}
# Run the application
shinyApp(ui = ui, server = server)
正如您將看到的,您將獲得第一個選項的散點圖(if(input$instrumenti == "setosa")),但如果您更改 selectInput 中的選擇,則不再有圖形或任何其他選項。 奇怪的是,我沒有收到任何錯誤。 也許有人可以看到錯誤。 tnx
那是因為您設置的width = 4
太小了。 嘗試這個
library(shiny)
library(shinydashboard)
library(plotly)
library(tidyverse)
library(leaflet)
Vrste<- c("setosa", "versicolor", "virginica")
ui <- dashboardPage(
dashboardHeader(title = "mockapp"),
dashboardSidebar(sidebarMenu(
menuItem("Geografski prikaz", tabName = "Geografski_prikaz",
menuItem(selectInput("instrumenti", "Instrumenti",
choices = Vrste), tabName = "Submenu")))),
dashboardBody(
tabItems(
# First tab content
tabItem(tabName = "Submenu",
# fluidRow(
# box(width=12, solidHeader = TRUE,
# title = "Geografski prikaz ulaganja",
# leafletOutput("mymap", height=550))),
fluidRow(
box(title ="Odnos ulaganja i stanovništva", solidHeader = TRUE, plotlyOutput("scatter", width=300,height=220)),
box(title ="Ulaganje po stanovniku", solidHeader = TRUE, plotlyOutput("bar", width=300,height=250)),
tags$head(tags$style(HTML(' /* body */
.content-wrapper, .right-side {
background-color: #FFFFFF;
}'
)
)
))))))
server <- function(input, output, session) {
observe({print(input$instrumenti)})
output$scatter<-renderPlotly({
if(input$instrumenti == "setosa"){
p <- plot_ly(iris,
x = ~ Sepal.Length,
y = ~Sepal.Width) %>%
add_trace(type = 'scatter', mode = 'markers', opacity = 0.7)
} else if (input$instrumenti == "versicolor") {
p <- plot_ly(iris,
x = ~ Sepal.Width,
y = ~Petal.Length) %>%
add_trace(type = 'scatter', mode = 'markers', opacity = 0.7)
} else {
p <- plot_ly(iris,
x = ~ Petal.Length,
y = ~Petal.Width ) %>%
add_trace(type = 'scatter', mode = 'markers', opacity = 0.7)
}
p
})
}
shinyApp(ui = ui , server = server)
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.