
Last chance! 50% off unlimited learning
Sale ends in
Log messages will only be emitted if the log priority matches or is higher than the priority of your message
log_warn(message)
your message to log
invisibly returns TRUE/FALSE
# NOT RUN {
log_warn("This is a warning message")
Sys.setenv("LOG_LEVEL" = "TRACE")
log_warn("This is a warning message")
# }
Run the code above in your browser using DataLab