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I'm new to shiny and programming, I m trying to create survey form in shiny app and i found all what i am looking for in Dean Attali example Google mimicking form and i found two versions but both gave different error message.
the first one
https://raw.githubusercontent.com/daattali/shiny-server/master/mimic-google-form/app.R
here is the error
Error: do not know how to convert 'data$timestamp' to class “POSIXct”
the second one message
https://raw.githubusercontent.com/daattali/shiny-server/5ef197b233e0940fb1e5248e063ac0e7d55f02e6/mimic-google-form/app.R
and the error message
Error: cannot open the connection
how can fix this
this URL works fine
https://raw.githubusercontent.com/daattali/shiny-server/5ef197b233e0940fb1e5248e063ac0e7d55f02e6/mimic-google-form/app.R
just add folder and name it "responses" to save csv file in
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site partially running but at the top bar its showing this error"/home/u159756892/domains/techno-holt.com/public_html/rudntest/wp-content/themes/duplexo/inc/cmt-functions.php on line 4833
Warning: foreach() argument must be of type array|object, bool given in /home/u159756892/domains/techno-holt.com/public_html/rudntest/wp-content/themes/duplexo/inc/cmt-functions.php on line 4834
header-style-two header-two cmt-main-menu-total-0">"
enter image description here
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This error occurs multiple time even i was trying to solve this from my end
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I know this is an extremely basic question, but someone suggested i try running a code from github and I have no idea how to go about it
I tried copying and pasting but that didn't work and neither does downloading it and trying to open it with R.
You can click the raw button on github to get the url
source("https://raw.githubusercontent.com/amignan/risk_eq_mmax/master/get_mmax.R")
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How I can build web interface to upload CSV files then filter the column names into select option 6 "as described in shiny gallery", the result from selection creating new view then download it as another CSV file,
There are examples in the Shiny docs that demonstrate almost exactly what you're looking for:
Upload a CSV file
https://shiny.rstudio.com/gallery/file-upload.html
Download a CSV file
https://shiny.rstudio.com/gallery/file-download.html
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Is it possible to import a table into R directly from Google docs without authorization key? I have a sharable google sheet that I try to connect to shiny app but couldn't find a proper way.
With the package gsheet you can read in a sheet from the shareable link.
Example given in the docs:
library(gsheet)
url <- 'docs.google.com/spreadsheets/d/1I9mJsS5QnXF2TNNntTy-HrcdHmIF9wJ8ONYvEJTXSNo'
a <- gsheet2tbl(url)
It's quite nice.
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I have some apps which have been running into my office for weeks. In the last days, sometimes, I receive in the R console the following message:
Error in inherits(app, "RhttpdApp") :
no function to return from, jumping to top level
Do you know where this error is generated and any possible cause? thanks
You are not inside a function and you use return. For example running this reproduce your error:
{
return(0)
}
Error: no function to return from, jumping to top level
I guees you have something like :
if (!inherits(app,'RhttpdApp'))
{.. return(...)}