(This article was first published on Gregor Gorjanc (gg), and kindly contributed to R-bloggers)
Nice summary on how to use progress bars in R. I am posting this here in order to have a note for later searches.
To leave a comment for the author, please follow the link and comment on his blog: Gregor Gorjanc (gg).
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Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).