hadley/plyr — pull request #177 by krlmlr (2013-11-04 20:28:48+00:00)
Title: Enhancements for *dply

- Generate .id column as factor in ldply(); fixes #137
- New parameter .id for rdply() to specify name of index column (default:
.n); fixes #142
- New parameter .id for ldply() to specify name of index column (default:
.id); fixes #140; fixes #107

Fixes #174 (=includes it)