A subset of data on Major League Baseball teams from Lahman's Baseball Database. The full data set is available in the Lahman R package.
Format
A data frame with 2784 rows and 41 variables.
- year
Year of play.
- league_id
League the team plays in with levels AL (American League) and NL (National League).
- division_id
Division the team plays in with levels W (west), E (east) and C (central).
- rank
Team's rank in their division at the end of the regular season.
- games_played
Games played.
- home_games
Games played at home.
- wins
Number of games won.
- losses
Number of games lost.
- division_winner
Did the team win their division? Levels of Y (yes) and N (no).
- wild_card_winner
Was the team a wild card winner. Levels of Y (yes) and N (no).
- league_winner
Did the team win their league? Levels of Y (yes) and N (no).
- world_series_winner
Did the team win the World Series? Levels of Y (yes) and N (no).
- runs_scored
Number of runs scored during the season.
- at_bats
Number of at bats during the season.
- hits
Number of hits during the season. Includes singles, doubles, triples and homeruns.
- doubles
Number of doubles hit.
- triples
Number of triples hit.
- homeruns
Homeruns by batters.
- walks
Number of walks.
- strikeouts_by_batters
Number of batters struckout.
- stolen_bases
Number of stolen bases.
- caught_stealing
Number of base runners caught stealing.
- batters_hit_by_pitch
Number of batters hit by a pitch.
- sacrifice_flies
Number of sacrifice flies.
- opponents_runs_scored
Number of runs scored by opponents.
- earned_runs_allowed
Number of earned runs allowed.
- earned_run_average
Earned run average.
- complete_games
Number of games where a single pitcher played the entire game.
- shutouts
Number of shutouts.
- saves
Number of saves.
- outs_pitches
Number of outs pitched for the season (number of innings pitched times 3).
- hits_allowed
Number of hits made by opponents.
- homeruns_allowed
Number of homeruns hit by opponents.
- walks_allowed
Number of opponents who were walked.
- strikeouts_by_pitchers
Number of opponents who were struckout.
- errors
Number of errors.
- double_plays
Number of double plays.
- fielding_percentage
Teams fielding percentage.
- team_name
Full name of team.
- ball_park
Home ballpark name.
- home_attendance
Home attendance total.
Examples
library(dplyr)
# List the World Series winning teams for each year
mlb_teams %>%
filter(world_series_winner == "Y") %>%
select(year, team_name, ball_park)
#> year team_name ball_park
#> 1 1884 Providence Grays Messer Street Grounds
#> 2 1887 Detroit Wolverines Recreation Park
#> 3 1888 New York Giants Polo Grounds I
#> 4 1889 New York Giants Polo Grounds II
#> 5 1903 Boston Americans Huntington Avenue Grounds
#> 6 1905 New York Giants Polo Grounds III
#> 7 1906 Chicago White Sox South Side Park II
#> 8 1907 Chicago Cubs West Side Park II
#> 9 1908 Chicago Cubs West Side Park II
#> 10 1909 Pittsburgh Pirates Exposition Park/Forbes Field
#> 11 1910 Philadelphia Athletics Shibe Park
#> 12 1911 Philadelphia Athletics Shibe Park
#> 13 1912 Boston Red Sox Fenway Park I
#> 14 1913 Philadelphia Athletics Shibe Park
#> 15 1914 Boston Braves South End Grounds III
#> 16 1915 Boston Red Sox Fenway Park I
#> 17 1916 Boston Red Sox Fenway Park I
#> 18 1917 Chicago White Sox Comiskey Park
#> 19 1918 Boston Red Sox Fenway Park I
#> 20 1919 Cincinnati Reds Crosley Field
#> 21 1920 Cleveland Indians League Park II
#> 22 1921 New York Giants Polo Grounds IV
#> 23 1922 New York Giants Polo Grounds IV
#> 24 1923 New York Yankees Yankee Stadium I
#> 25 1924 Washington Senators Griffith Stadium I
#> 26 1925 Pittsburgh Pirates Forbes Field
#> 27 1926 St. Louis Cardinals Sportsman's Park IV
#> 28 1927 New York Yankees Yankee Stadium I
#> 29 1928 New York Yankees Yankee Stadium I
#> 30 1929 Philadelphia Athletics Shibe Park
#> 31 1930 Philadelphia Athletics Shibe Park
#> 32 1931 St. Louis Cardinals Sportsman's Park IV
#> 33 1932 New York Yankees Yankee Stadium I
#> 34 1933 New York Giants Polo Grounds IV
#> 35 1934 St. Louis Cardinals Sportsman's Park IV
#> 36 1935 Detroit Tigers Navin Field
#> 37 1936 New York Yankees Yankee Stadium I
#> 38 1937 New York Yankees Yankee Stadium I
#> 39 1938 New York Yankees Yankee Stadium I
#> 40 1939 New York Yankees Yankee Stadium I
#> 41 1940 Cincinnati Reds Crosley Field
#> 42 1941 New York Yankees Yankee Stadium I
#> 43 1942 St. Louis Cardinals Sportsman's Park IV
#> 44 1943 New York Yankees Yankee Stadium I
#> 45 1944 St. Louis Cardinals Sportsman's Park IV
#> 46 1945 Detroit Tigers Briggs Stadium
#> 47 1946 St. Louis Cardinals Sportsman's Park IV
#> 48 1947 New York Yankees Yankee Stadium I
#> 49 1948 Cleveland Indians Cleveland Stadium
#> 50 1949 New York Yankees Yankee Stadium I
#> 51 1950 New York Yankees Yankee Stadium I
#> 52 1951 New York Yankees Yankee Stadium I
#> 53 1952 New York Yankees Yankee Stadium I
#> 54 1953 New York Yankees Yankee Stadium I
#> 55 1954 New York Giants Polo Grounds IV
#> 56 1955 Brooklyn Dodgers Ebbets Field
#> 57 1956 New York Yankees Yankee Stadium I
#> 58 1957 Milwaukee Braves County Stadium
#> 59 1958 New York Yankees Yankee Stadium I
#> 60 1959 Los Angeles Dodgers Los Angeles Memorial Coliseum
#> 61 1960 Pittsburgh Pirates Forbes Field
#> 62 1961 New York Yankees Yankee Stadium I
#> 63 1962 New York Yankees Yankee Stadium I
#> 64 1963 Los Angeles Dodgers Dodger Stadium
#> 65 1964 St. Louis Cardinals Sportsman's Park IV
#> 66 1965 Los Angeles Dodgers Dodger Stadium
#> 67 1966 Baltimore Orioles Memorial Stadium
#> 68 1967 St. Louis Cardinals Busch Stadium II
#> 69 1968 Detroit Tigers Tiger Stadium
#> 70 1969 New York Mets Shea Stadium
#> 71 1970 Baltimore Orioles Memorial Stadium
#> 72 1971 Pittsburgh Pirates Three Rivers Stadium
#> 73 1972 Oakland Athletics Oakland Coliseum
#> 74 1973 Oakland Athletics Oakland Coliseum
#> 75 1974 Oakland Athletics Oakland Coliseum
#> 76 1975 Cincinnati Reds Riverfront Stadium
#> 77 1976 Cincinnati Reds Riverfront Stadium
#> 78 1977 New York Yankees Yankee Stadium II
#> 79 1978 New York Yankees Yankee Stadium II
#> 80 1979 Pittsburgh Pirates Three Rivers Stadium
#> 81 1980 Philadelphia Phillies Veterans Stadium
#> 82 1981 Los Angeles Dodgers Dodger Stadium
#> 83 1982 St. Louis Cardinals Busch Stadium II
#> 84 1983 Baltimore Orioles Memorial Stadium
#> 85 1984 Detroit Tigers Tiger Stadium
#> 86 1985 Kansas City Royals Royals Stadium
#> 87 1986 New York Mets Shea Stadium
#> 88 1987 Minnesota Twins Hubert H Humphrey Metrodome
#> 89 1988 Los Angeles Dodgers Dodger Stadium
#> 90 1989 Oakland Athletics Oakland Coliseum
#> 91 1990 Cincinnati Reds Riverfront Stadium
#> 92 1991 Minnesota Twins Hubert H Humphrey Metrodome
#> 93 1992 Toronto Blue Jays Skydome
#> 94 1993 Toronto Blue Jays Skydome
#> 95 1995 Atlanta Braves Atlanta-Fulton County Stadium
#> 96 1996 New York Yankees Yankee Stadium II
#> 97 1997 Florida Marlins Joe Robbie Stadium
#> 98 1998 New York Yankees Yankee Stadium II
#> 99 1999 New York Yankees Yankee Stadium II
#> 100 2000 New York Yankees Yankee Stadium II
#> 101 2001 Arizona Diamondbacks Bank One Ballpark
#> 102 2002 Anaheim Angels Edison International Field
#> 103 2003 Florida Marlins Pro Player Stadium
#> 104 2004 Boston Red Sox Fenway Park II
#> 105 2005 Chicago White Sox U.S. Cellular Field
#> 106 2006 St. Louis Cardinals Busch Stadium III
#> 107 2007 Boston Red Sox Fenway Park II
#> 108 2008 Philadelphia Phillies Citizens Bank Park
#> 109 2009 New York Yankees Yankee Stadium III
#> 110 2010 San Francisco Giants AT&T Park
#> 111 2011 St. Louis Cardinals Busch Stadium III
#> 112 2012 San Francisco Giants AT&T Park
#> 113 2013 Boston Red Sox Fenway Park II
#> 114 2014 San Francisco Giants AT&T Park
#> 115 2015 Kansas City Royals Kauffman Stadium
#> 116 2016 Chicago Cubs Wrigley Field
#> 117 2017 Houston Astros Minute Maid Park
#> 118 2018 Boston Red Sox Fenway Park II
#> 119 2019 Washington Nationals Nationals Park
#> 120 2020 Los Angeles Dodgers Dodger Stadium
# List the teams with their average number of wins and losses
mlb_teams %>%
group_by(team_name) %>%
summarize(mean_wins = mean(wins), mean_losses = mean(losses)) %>%
arrange((team_name))
#> # A tibble: 86 × 3
#> team_name mean_wins mean_losses
#> <chr> <dbl> <dbl>
#> 1 Anaheim Angels 83 79
#> 2 Arizona Diamondbacks 77.7 79.8
#> 3 Atlanta Braves 81.2 76.3
#> 4 Baltimore Orioles 79.1 75.4
#> 5 Boston Americans 75.4 70.3
#> 6 Boston Beaneaters 72.6 61.0
#> 7 Boston Bees 71 81.2
#> 8 Boston Braves 68.3 83.5
#> 9 Boston Doves 54.8 97.2
#> 10 Boston Red Caps 42.7 32.3
#> # ℹ 76 more rows