From the R-Bloggers Blog: If your project is large (millions of rows, hundreds of columns) you really should rent an an Amazon EC2 r4.8xlarge (244 GiB RAM) machine for an hour for about $2.13 (quick setup instructions here <http://www.win-vector.com/blog/2018/01/setting-up-rstudio-server-quickly-on-amazon-ec2/>) and experience speed at scale.
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