Appreciate help with "Show If" conditions in formr survey

[Raphaela]

We are currently working on a survey using the `formr`, and we're having trouble with the conditional display of questions based on user responses.

I would like to implement a "show if" condition where a follow-up question will only be displayed if the user has clicked "yes" to a previous question.

However, the conditional display doesn't work as expected and I get an error code related to CPU usage.

“There was a problem evaluating showifs using openCPU”

(function() {

                library(formr)

                Study_1_SIB = as.data.frame(jsonlite::fromJSON("{\"studium\":[null],\"studienart\":[null],\"taetigkeit\":[null],\"taetigkeitsart\":[null],\"fachsemester\":[null],\"studienfach\":[null]}"), stringsAsFactors=F)

 

                (function() {with(tail(Study_1_SIB, 1), {

formr.showifs = list();

within(formr.showifs,  {

si.studienfach = (function(){

                studium == ja

})()

si.studienart = (function(){

                studium == ja

})()

si.fachsemester = (function(){

                studium == ja

})()

si.taetigkeitsart = (function(){

                taetigkeit == ja

})()

})

})})()

 

})()

Questions:

1.       How can I set up the Show If conditions correctly so that the next question is only displayed if the user chooses "yes"?

2.       Also, how can I examine the data or file being sent to the system during this process?

3.       What’s the best way to introduce a timed delay for the appearance of the "Continue" button in formr ?

Any insight or suggestions would be greatly appreciated.
Thanks in advance!

[Ruben Arslan]

Hi Raphaela,

This is just an R error, not specific to formr. 

Your code syntax is invalid, which you'll see as well if you run the code in RStudio. If you're new to R, I can recommend pair programming with ChatGPT.

In this case, ChatGPT gives the correct hint, you are using "ja" as if it's a variable, but probably you want to refer to the string "ja"

or whatever number is encoded when people check "ja" in your survey (I can't see that from here.

Best,

Ruben

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