Shiny 如何在屏幕上显示上传的csv内容
我的Shiny 如何在屏幕上显示上传的csv内容,shiny,Shiny,我的ui.R library(shiny) library(stats) library(caret) shinyUI(fluidPage( titlePanel("Predicting Resources for Vessel"), title = "Resource Prediction", sidebarLayout( sidebarPanel( fileInput("file1", "Choose a Import BAPLE(.CSV) f
ui.R
library(shiny)
library(stats)
library(caret)
shinyUI(fluidPage(
titlePanel("Predicting Resources for Vessel"),
title = "Resource Prediction",
sidebarLayout(
sidebarPanel(
fileInput("file1", "Choose a Import BAPLE(.CSV) file to upload:",
accept = c("text/csv", "text/comma-separated-values, text/plain", ".csv")),
fileInput("file2", "Choose a Export BAPLE(.csv) file to upload:",
accept = c("text/csv", "text/comma-separated-values, text/plain", ".csv")),
fileInput("file3", "Choose a Import/Export containers yard location(.CSV) file to upload:",
accept = c("text/csv", "text/comma-separated-values, text/plain", ".csv")),
tags$hr(),
h4("Manual Input:"),
numericInput("Restow_40","Total Restows for 40ft Container:", 0, min = 0, max = 999999, step = 1),
textInput("Berth","Vessel Berth Location (CB3/CB4)"),
actionButton("submit", "Submit")
),
mainPanel(
tabsetPanel(
tabPanel("Raw Data", dataTableOutput("data")),
tabPanel("Output", verbatimTextOutput("pred_output"))
)
)
)
))
这是我的server.r
文件
library(shiny)
library(stats)
#library(caret)
library(mlr)
library(data.table)
shinyServer(function(input, output) {
######################### Reading the required files ###################################
import_baple <- reactive({
inFile <- input$file1
if (is.null(inFile)) return(NULL)
read.csv(inFile$datapath)
})
export_baple <- reactive({
inFile <- input$file2
if (is.null(inFile)) return(NULL)
read.csv(inFile$datapath)
})
import_export_yard <- reactive({
inFile <- input$file3
if (is.null(inFile)) return(NULL)
read.csv(inFile$datapath)
})
output$data <- renderDataTable({
import_baple()
})
output$data <- renderDataTable({
export_baple()
})
output$data <- renderDataTable({
import_export_yard()
})
})
库(闪亮)
图书馆(统计)
#图书馆(插入符号)
图书馆(mlr)
库(数据表)
shinyServer(功能(输入、输出){
#########################读取所需的文件###################################
import_baple每个输入/输出元素都需要一个唯一的标识符,否则Shiny不知道使用给定标识符的元素中的哪一个。因此,您有:
tabPanel("Raw Data", dataTableOutput("data"))
在您的UI和:
output$data <- renderDataTable({
import_baple()
})
output$data <- renderDataTable({
export_baple()
})
output$data <- renderDataTable({
import_export_yard()
})
output$data每个输入/输出元素都需要一个唯一的标识符,否则Shiny不知道使用给定标识符的元素中的哪一个。因此,您有:
tabPanel("Raw Data", dataTableOutput("data"))
在您的UI和:
output$data <- renderDataTable({
import_baple()
})
output$data <- renderDataTable({
export_baple()
})
output$data <- renderDataTable({
import_export_yard()
})
输出$data