lahman

0th

Percentile

Cache and retrieve an src_sqlite of the Lahman baseball database.

This creates an interesting database using data from the Lahman baseball data source, provided by Sean Lahman at http://www.seanlahman.com/baseball-archive/statistics/, and made easily available in R through the Lahman package by Michael Friendly, Dennis Murphy and Martin Monkman. See the documentation for that package for documentation of the inidividual tables.

Keywords
internal
Usage
lahman_sqlite(path = NULL)

lahman_postgres(dbname = "lahman", host = "localhost", ...)

lahman_mysql(dbname = "lahman", ...)

lahman_df()

copy_lahman(src, ...)

has_lahman(type, ...)

lahman_srcs(..., quiet = NULL)

Arguments
...

Other arguments passed to src on first load. For mysql and postgresql, the defaults assume you have a local server with lahman database already created. For lahman_srcs(), character vector of names giving srcs to generate.

type

src type.

quiet

if TRUE, suppress messages about databases failing to connect.

Aliases
  • lahman
  • lahman_sqlite
  • lahman_postgres
  • lahman_mysql
  • lahman_df
  • copy_lahman
  • has_lahman
  • lahman_srcs
Examples
# NOT RUN {
# Connect to a local sqlite database, if already created
# }
# NOT RUN {
if (has_lahman("sqlite")) {
  lahman_sqlite()
  batting <- tbl(lahman_sqlite(), "Batting")
  batting
}

# Connect to a local postgres database with lahman database, if available
if (has_lahman("postgres")) {
  lahman_postgres()
  batting <- tbl(lahman_postgres(), "Batting")
}
# }
Documentation reproduced from package dbplyr, version 1.2.1, License: MIT + file LICENSE

Community examples

Looks like there are no examples yet.