Null progress bar
A progress bar that does nothing
progress_none()
This the default progress bar used by plyr functions. It's very simple to understand - it does nothing!
Other progress bars:
progress_text()
,
progress_time()
,
progress_tk()
,
progress_win()
l_ply(1:100, identity, .progress = "none")
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.