data.table (1.9.4)

115 users

Extension of data.frame.

https://github.com/Rdatatable/data.table/wiki
http://cran.r-project.org/web/packages/data.table

Fast aggregation of large data (e.g. 100GB in RAM), fast ordered joins, fast add/modify/delete of columns by group using no copies at all, list columns and a fast file reader (fread). Offers a natural and flexible syntax, for faster development.

Maintainer: Matthew Dowle
Author(s): M Dowle, T Short, S Lianoglou, A Srinivasan with contributions from R Saporta, E Antonyan

License: GPL (>= 2)

Uses: chron, reshape2, ggplot2, nlme, reshape, xts, hexbin, plyr, testthat, fastmatch, bit64
Reverse depends: FAOSTAT, postgwas, psidR, randomNames, RecordLinkage, sdcMicro, sdcTable, SGP, slackr, survMisc, tabplot, treemap
Reverse suggests: installr, Lahman, pcrsim, ProjectTemplate, SciencePo

Released 21 days ago.


29 previous versions

Ratings

Overall:

  4.4/5 (80 votes)

Documentation:

  4.0/5 (66 votes)

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