Participant's ID

[Patrik Havan]

Hello,

I want to assign ID/code to all participants. I know that I can use get_code, but I want that participants will see this information as well - they can write their code and if they will want to be excluded from sample, they will have this possibility.

Can anyone help me please?

Thank you

Patrik Havan

[Sebastian]

Dear Patrik,

Have you solved your issue yet? I would have asked the same question :)

Kind regards,

Sebastian

[Ruben Arslan]

You could put

Your user ID: `r survey_run_sessions$session` in a label column for a note.

or 

Your user ID: `r stringr::str_sub(survey_run_sessions$session, 1, 8)` to make it more manageable but still unique.

Best,

Ruben

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[Luigi]

hi,

when i try to use it i alwas get an openCPU error

this is the output

(function() {
    library(formr)
    Base_Pt = as.data.frame(jsonlite::fromJSON("{\"user_c\":[null]}"), stringsAsFactors=F)

    (function() {with(tail(Base_Pt, 1), {
formr.showifs = list();
within(formr.showifs,  {
user_c = (function(){
´r substr(Base_Pt$session, 1, 7)´
})()
})
})})()

})()

greetings

Luigi 

[Ruben Arslan]

Use the exact code I sent. No need to adapt.

stringr::str_sub(survey_run_sessions$session, 1, 8)

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[Luigi]

hey,

i use the exact code. here's

hey i use the exact code. i got the same error using "calculate" and the code in the "value" column.

greetings

luigi