R and Shiny: Using output of a reactive function

Question

Currently I have a function [degtest] which is created in the shiny server, that returns a list,

return(list(datatable=datatable, predicttable=predicttable, esttable=esttable)

I want this list to be accessible after the function has run so that I can use different parts of the list to be rendered separately.

 outlist <- reactive({
   if(is.null(input$file2)){return(NULL)}
   if(input$d2 == 0){return(NULL)}
   with(data = reactdata$degdata, degtest(reactdata$degdata[,input$selectTemp], reactdata$degdata[,input$selectPot],reactdata$degdata[,input$selectWeight], reactdata$degdata[,input$selectTime], input$Temp0))
   })

input$file2 is my reactdata (reactdata$degdata and input$d2 is an action button.

I thought i'd be able to reference outlist$datatable but R says ' object of type 'closure' is not subsettable'

Community · Accepted Answer · 2017-05-23 11:44:54Z

4

When you are making an object reactive, you are actually making it into a sort of function (closure), so you have to use it as outlist() rather than outlist. See this similar question. It's hard to answer your question considering you did not provide a reproducible example, but I think your solution will be something like outlist()$ObjectYouAreTryingToAccess.

edited May 23, 2017 at 11:44

CommunityBot

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answered Jul 16, 2014 at 11:32

nrussell

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1 Comment

Kabau Over a year ago

Thank-you for this explanation, it worked and it's helped my understanding of it. Simply adding the () into where I was trying to reference it worked perfectly. Thank-you for your help.

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