HomeGames {Lahman}

HomeGames table

Description

Data mapping teams to the stadiums they played regular season games in as the home team.

Usage

data(HomeGames)

Format

A data frame with 3200 observations on the following 9 variables.

year.key

Year

league.key

League; a factor with levels AA AL FL NL PL UA

team.key

Team; a factor

park.key

Unique identifier for each ballpark

span.first

First date the park began acting as home field for the team

span.last

Last date the park began acting as home field for the team

games

Total games in this time span

openings

Total opening in this time span

attendance

Total attendance in this time span

Source

Lahman, S. (2023) Lahman's Baseball Database, 1871-2022, 2022 version, https://www.seanlahman.com/baseball-archive/statistics/

Examples

data(HomeGames)
library(dplyr)

# How many parks has every team played in as the home team for even a single game?
HomeGames %>%
  count(team.key) %>%
  arrange(team.key)

# What parks have the Toronto Blue Jays played in as the home team?
HomeGames %>%
  filter(team.key == "TOR") %>%
  arrange(span.last)
  
# What parks have the Boston Red Sox played in as the home team?
HomeGames %>%
  filter(team.key == "BOS") %>%
  arrange(span.last)
  
# What is the Toronto Blue Jays annual total home attendance by year?
HomeGames %>%
  filter(team.key == "TOR") %>%
  group_by(year.key) %>%
  summarize(total.attendance = sum(attendance)) %>%
  arrange(year.key)