How do I check and catch errors in R

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How do i check and catch errors in R?
Nov 6, 2018 in Data Analytics by Hannah
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With tryCatch you can handle errors as you want:

an.error.occured <- FALSE
tryCatch( { result <- log("not a number"); print(res) }
          , error = function(e) {an.error.occured <<- TRUE})
print(an.error.occured)
## [1] TRUE

If you use an error handler function

  • the error is not shown anymore and
  • the execution continues after the tryCatch statement.
answered Nov 6, 2018 by Kalgi
• 35,720 points

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