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This repo has been archived. You can find the latet version of the package at:

cfbscrapR

cfbscrapR is an R package for working with CFB data. It is an R API wrapper around https://collegefootballdata.com/. It provides users the capability to get a plethora of endpoints, and supplement that data with additional information (Expected Points Added/Win Probability added). Documentation Page

Note: The API ingests data from ESPN as well as other sources. For details on those source, please go the website linked above. Sometimes there are inconsitences in the underlying data itself. Please report issues here or to https://collegefootballdata.com/.

Installation

You can install cfbscrapR from GitHub with:

# install.packages("devtools")
devtools::install_github("meysubb/cfbscrapR")

Functions

Scraping Data

  • cfb_pbp_data(year,week,team,epa_wpa): Extract PBP data (append EPA/WPA data)
  • cfb_game_info(2018,team="Texas A&M"): Get information from games (Multiple options, all year, one week, one team, specific conference)
  • cfb_play_stats_player(game_id): Gets player info associated by play (Game id )
  • cfb_rankings(2018,1): Historical CFB poll rankings at a specific week
  • cfb_team(conference): List all teams in a given D1 conference
  • cfb_recruiting(2018,team="Texas"): CFB recruiting information (General Year, Position groups btw years)

EPA/WPA

  • calculate_epa <- function(clean_pbp_dat): Calculate EPA
  • create_wpa <- function(df): Calculate WPA

Plots

  • plot_pbp_sequencing(df): Plot Play by Play Sequencing per drive
  • plot_wpa(df,away_color,home_color,winner="away"): Plot WPA

EP/WP Model

You can find more detailed information and explanation on the EP/WP models in the cfbscrapR-misc repository.
Link: cfbscrapR-misc