Shiny

问题 I'm developing quite a complex shiny app that runs on a private shinyserver. Only the pages that contains large plotly heatmaps (50-70Mb) are not working online (but the pages are working perfectly on my local machine). What I get is the usual message "Disconnected from the server Reload" . When this error message is shown no log file is produced in /var/log . What I tried to do is: check if it's a missing packages problem, it's not; check if it's a wrong paths problem, it's not; modify the

问题 I'm trying to generate a UI element that is dynamic based on how the user wishes to provide their input. I'm using the Shiny Dashboard for simplicity but I have encountered an issue with the sidebarMenu. Previously when I was placing static UI elements directly into the sidebarMenu, I had no issue, however when trying to place dynamic UI elements into the sidebarMenu I have problems. I'm using R 3.3.2 and Shiny 1.0.0 and Dashboard 0.5.3. The specific problem I have is that when the program

问题 I'm trying to generate a UI element that is dynamic based on how the user wishes to provide their input. I'm using the Shiny Dashboard for simplicity but I have encountered an issue with the sidebarMenu. Previously when I was placing static UI elements directly into the sidebarMenu, I had no issue, however when trying to place dynamic UI elements into the sidebarMenu I have problems. I'm using R 3.3.2 and Shiny 1.0.0 and Dashboard 0.5.3. The specific problem I have is that when the program

问题 I'm trying to create an app where people can upload a CSV and then interact with the data. The specific issues is I'm failing to pass the column headers from the file that is read in to the selectInput function. If you comment out the last few lines for the observe function the app works fine. Have tried a number of options, using reactive instead of renderTable etc. There are some similar questions around addressing changing the select input but none that I could see from a file read in.

问题 I'm trying to create an app where people can upload a CSV and then interact with the data. The specific issues is I'm failing to pass the column headers from the file that is read in to the selectInput function. If you comment out the last few lines for the observe function the app works fine. Have tried a number of options, using reactive instead of renderTable etc. There are some similar questions around addressing changing the select input but none that I could see from a file read in.

问题 Here's my ui.R and server.R. I'm not sure why the headers in dashboardBody don't show up. server.R shinyServer(function(input, output){ }) ui.R dashboardPage( dashboardHeader(title = "Analysis"), dashboardSidebar( sidebarMenu( menuItem("Data Pull", tabName = "dataPull", icon = icon("database"), dateInput("startDateInput", "What is the starting date?", value = NULL, min = NULL, max = NULL, format = "yyyy-mm-dd", startview = "month", weekstart = 0, language = "en"), dateInput("endDateInput",

问题 Here's my ui.R and server.R. I'm not sure why the headers in dashboardBody don't show up. server.R shinyServer(function(input, output){ }) ui.R dashboardPage( dashboardHeader(title = "Analysis"), dashboardSidebar( sidebarMenu( menuItem("Data Pull", tabName = "dataPull", icon = icon("database"), dateInput("startDateInput", "What is the starting date?", value = NULL, min = NULL, max = NULL, format = "yyyy-mm-dd", startview = "month", weekstart = 0, language = "en"), dateInput("endDateInput",

问题 Here's my ui.R and server.R. I'm not sure why the headers in dashboardBody don't show up. server.R shinyServer(function(input, output){ }) ui.R dashboardPage( dashboardHeader(title = "Analysis"), dashboardSidebar( sidebarMenu( menuItem("Data Pull", tabName = "dataPull", icon = icon("database"), dateInput("startDateInput", "What is the starting date?", value = NULL, min = NULL, max = NULL, format = "yyyy-mm-dd", startview = "month", weekstart = 0, language = "en"), dateInput("endDateInput",

问题 Here's my ui.R and server.R. I'm not sure why the headers in dashboardBody don't show up. server.R shinyServer(function(input, output){ }) ui.R dashboardPage( dashboardHeader(title = "Analysis"), dashboardSidebar( sidebarMenu( menuItem("Data Pull", tabName = "dataPull", icon = icon("database"), dateInput("startDateInput", "What is the starting date?", value = NULL, min = NULL, max = NULL, format = "yyyy-mm-dd", startview = "month", weekstart = 0, language = "en"), dateInput("endDateInput",

问题 Here's my ui.R and server.R. I'm not sure why the headers in dashboardBody don't show up. server.R shinyServer(function(input, output){ }) ui.R dashboardPage( dashboardHeader(title = "Analysis"), dashboardSidebar( sidebarMenu( menuItem("Data Pull", tabName = "dataPull", icon = icon("database"), dateInput("startDateInput", "What is the starting date?", value = NULL, min = NULL, max = NULL, format = "yyyy-mm-dd", startview = "month", weekstart = 0, language = "en"), dateInput("endDateInput",