Sean 'Lahman' Baseball Database

Provides the tables from the 'Sean Lahman Baseball Database' as a set of R data.frames. It uses the data on pitching, hitting and fielding performance and other tables from 1871 through 2015, as recorded in the 2016 version of the database.


Version 5.0-0 (2016-08-08)

o Updated with data for the 2015 season, plus numerous corrections of errors and inconsistencies discovered in previous tables.

o Documentation examples are now provided for all data tables [Martin Monkman]

o Documentation examples were rewrittten to make extensive use of dplyr for data manipulation and ggplot2 for graphics [Denis Murphy]

Version 4.0-1 (2015-09-04)

o Updated with data for the 2014 season o Changes to reflect alterations in the 2014 schema: o Removed from Batting: G_batting, G_old o Replaced SchoolsPlayers with CollegePlaying

Version 3.0-0 (2014-07-20)

o Updated with data for the 2013 season o Changes to reflect alterations in the 2013 schema: o HallOfFame$hofID is now HallOfFame$playerID o managerID is now playerID in all tables o Removed from Master: managerID, hofID, holtzID, lahmanID, lahman40ID, lahman45ID, nameNote, nameNick, and college

Version 2.0-3 (2013-05-29)

o largest RData files are now compressed via R CMD build --resave-data

Version 2.0-2 (2013-05-23) o Fixed problems with the Teams*.RData files not having been updated to the 2012 versions. o The project for this package now has a web page at

Version 2.0-1 (2013-04-18)

o Added Label() and data frames for variable labels o Added more examples and plots to Salaries, Pitching, etc. from Dennis Murphy o Master$bats, Master$throws made into factors o Added some examples to Schools.Rd

Version 2.0-0 (2013-04-08)

o New major version, now reflecting the 2012 Lahman database. Some deprecated or defunct tables were dropped. o readLahman.R added to inst/scripts for documentation of how the data files were created. The scripts there can be used to simplify future updates. o More examples added to various datasets

Version 1.0-10 (2012-10-04)

o Fixed deprecated warnings stemming from changes in ggplot2

Version 1.0-8 (2011-10-02) o Added examples in HallOfFame.Rd o Fixed definitions of BABIP and OBP in battingStats() o Added examples in Manager.Rd

Version 1.0-7 (2011-09-27) o Extended examples in Batting.Rd o Initial release to CRAN

Version 1.0-6 (2011-09-26) o Added battingStats() function to calculate BA and friends

Version 1.0-5 (2011-09-25) o Added Authors@R in DESCRIPTION for R 2.14.x o Fixed Appearances table o Added demo/batting-summstats.R o Added a few examples to various files o Initial export to R-Forge

Reference manual

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5.0-0 by Chris Dalzell, 7 months ago

Browse source code at

Authors: Michael Friendly [aut], Dennis Murphy [ctb], Martin Monkman [ctb], Chris Dalzell [cre, ctb]

Documentation:   PDF Manual  

GPL license

Imports dplyr

Suggests lattice, ggplot2, googleVis, data.table, vcd, reshape2, tidyr, zipcode

Suggested by broom, dplyr, dtplyr, mdsr, poplite, raw.

See at CRAN