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The goal of abdwr3edata is to facilitate computations made in the 3rd edition of Analyzing Baseball Data with R.

Installation

You can install the development version of abdwr3edata from GitHub with:

# install.packages("remotes")
remotes::install_github("beanumber/abdwr3edata")

Example

Compare the mean batting average for all those events that passed through a 1-1 count to those that didn’t.

library(dplyr)
library(abdwr3edata)
retro2016 |>
  retrosheet_add_counts() |>
  group_by(c11) |>
  summarize(
    num_events = n(),
    num_batters = n_distinct(bat_id),
    num_pitchers = n_distinct(pit_id),
    mean_ba = sum(h_fl) / sum(ab_fl)
  )
#> # A tibble: 2 × 5
#>   c11   num_events num_batters num_pitchers mean_ba
#>   <lgl>      <int>       <int>        <int>   <dbl>
#> 1 FALSE     115487         937          741   0.443
#> 2 TRUE       75226         888          737   0.379

Citation

citation("abdwr3edata")
#> To cite package 'abdwr3edata' in publications use:
#> 
#>   Baumer B, Albert J (2024). _abdwr3edata: Companion to 'Analyzing
#>   Baseball Data with R', 3rd edition_. R package version 0.0.2,
#>   <https://github.com/beanumber/abdwr3edata>.
#> 
#> A BibTeX entry for LaTeX users is
#> 
#>   @Manual{,
#>     title = {abdwr3edata: Companion to 'Analyzing Baseball Data with R', 3rd edition},
#>     author = {Benjamin S. Baumer and Jim Albert},
#>     year = {2024},
#>     note = {R package version 0.0.2},
#>     url = {https://github.com/beanumber/abdwr3edata},
#>   }