Getting started

HTML vignettes: i) Introduction to data.table, ii) Reference semantics

PDF Vignettes: i) Quick start guide, ii) Frequently asked questions

Documentation and examples: i) ?data.table, ii) ?fread

Support: i) data.table tag (Please read: how to ask and how to make a great R reproducible example)

Notices/discussion: i) Nabble, ii) Gmane, iii) HTML Archive, iv) RSS, v) Subscribe to post
User reviews: Crantastic
Learn by doing: data.table course on DataCamp