build_nflfastR_pbp is a convenient wrapper around 6 nflfastR functions:
Please see either the documentation of each function or the nflfastR Field Descriptions website to learn about the output.
Usage
build_nflfastR_pbp(
game_ids,
dir = getOption("nflfastR.raw_directory", default = NULL),
...,
decode = TRUE,
rules = TRUE
)Arguments
- game_ids
Vector of character ids or a data frame including the variable
game_id(see details for further information).- dir
Path to local directory (defaults to option "nflfastR.raw_directory") where nflfastR searches for raw game play-by-play data. See
save_raw_pbp()for additional information.- ...
Additional arguments passed to the scraping functions (for internal use)
- decode
If
TRUE, the functiondecode_player_ids()will be executed.- rules
If
FALSE, printing of the header and footer in the console output will be suppressed.
Value
An nflfastR play-by-play data frame like it can be loaded from https://github.com/nflverse/nflverse-data.
Details
To load valid game_ids please use the package function fast_scraper_schedules().
See also
For information on parallel processing and progress updates please see nflfastR.
Examples
# \donttest{
# Build nflfastR pbp for the 2018 and 2019 Super Bowls
try({# to avoid CRAN test problems
build_nflfastR_pbp(c("2018_21_NE_LA", "2019_21_SF_KC"))
})
#> ── Build nflfastR Play-by-Play Data ───────────── nflfastR version 5.1.0.9000 ──
#> • 06:25:58 | Start download of 2 games...
#> ℹ It is recommended to use parallel processing when trying to load multiple games.Please consider running `future::plan("multisession")`! Will go on sequentially...
#> ✔ 06:26:01 | Download finished. Adding variables...
#> ✔ 06:26:02 | added game variables
#> ✔ 06:26:02 | added nflscrapR variables
#> ✔ 06:26:02 | added ep variables
#> ✔ 06:26:02 | added air_yac_ep variables
#> ✔ 06:26:03 | added wp variables
#> ✔ 06:26:03 | added air_yac_wp variables
#> ✔ 06:26:03 | added cp and cpoe
#> ✔ 06:26:03 | added fixed drive variables
#> ✔ 06:26:03 | added series variables
#> • 06:26:03 | Cleaning up play-by-play...
#> ✔ 06:26:03 | Cleaning completed
#> ✔ 06:26:03 | added qb_epa
#> • 06:26:03 | Computing xyac...
#> ✔ 06:26:05 | added xyac variables
#> • 06:26:05 | Computing xpass...
#> ✔ 06:26:05 | added xpass and pass_oe
#> • 06:26:05 | Decode player ids...
#> ✔ 06:26:06 | Decoding of player ids completed
#> ── DONE ────────────────────────────────────────────────────────────────────────
#> ── nflverse play by play ───────────────────────────────────────────────────────
#> ℹ Data updated: 2025-05-16 06:26:06 UTC
#> # A tibble: 349 × 372
#> play_id game_id old_game_id home_team away_team season_type week posteam
#> <dbl> <chr> <chr> <chr> <chr> <chr> <int> <chr>
#> 1 1 2018_21_NE… 2019020300 LA NE POST 21 NA
#> 2 38 2018_21_NE… 2019020300 LA NE POST 21 NE
#> 3 67 2018_21_NE… 2019020300 LA NE POST 21 NE
#> 4 89 2018_21_NE… 2019020300 LA NE POST 21 NE
#> 5 111 2018_21_NE… 2019020300 LA NE POST 21 NE
#> 6 133 2018_21_NE… 2019020300 LA NE POST 21 NE
#> 7 155 2018_21_NE… 2019020300 LA NE POST 21 NE
#> 8 182 2018_21_NE… 2019020300 LA NE POST 21 LA
#> 9 204 2018_21_NE… 2019020300 LA NE POST 21 LA
#> 10 226 2018_21_NE… 2019020300 LA NE POST 21 LA
#> # ℹ 339 more rows
#> # ℹ 364 more variables: posteam_type <chr>, defteam <chr>, side_of_field <chr>,
#> # yardline_100 <dbl>, game_date <chr>, quarter_seconds_remaining <dbl>,
#> # half_seconds_remaining <dbl>, game_seconds_remaining <dbl>,
#> # game_half <chr>, quarter_end <dbl>, drive <dbl>, sp <dbl>, qtr <dbl>,
#> # down <dbl>, goal_to_go <int>, time <chr>, yrdln <chr>, ydstogo <dbl>,
#> # ydsnet <dbl>, desc <chr>, play_type <chr>, yards_gained <dbl>, …
# It is also possible to directly use the
# output of `fast_scraper_schedules` as input
try({# to avoid CRAN test problems
library(dplyr, warn.conflicts = FALSE)
fast_scraper_schedules(2020) |>
slice_tail(n = 3) |>
build_nflfastR_pbp()
})
#> ── Build nflfastR Play-by-Play Data ───────────── nflfastR version 5.1.0.9000 ──
#> • 06:26:06 | Start download of 3 games...
#> ℹ It is recommended to use parallel processing when trying to load multiple games.Please consider running `future::plan("multisession")`! Will go on sequentially...
#> ✔ 06:26:10 | Download finished. Adding variables...
#> ✔ 06:26:10 | added game variables
#> ✔ 06:26:10 | added nflscrapR variables
#> ✔ 06:26:10 | added ep variables
#> ✔ 06:26:10 | added air_yac_ep variables
#> ✔ 06:26:10 | added wp variables
#> ✔ 06:26:11 | added air_yac_wp variables
#> ✔ 06:26:11 | added cp and cpoe
#> ✔ 06:26:11 | added fixed drive variables
#> ✔ 06:26:11 | added series variables
#> • 06:26:11 | Cleaning up play-by-play...
#> ✔ 06:26:11 | Cleaning completed
#> ✔ 06:26:11 | added qb_epa
#> • 06:26:11 | Computing xyac...
#> ✔ 06:26:12 | added xyac variables
#> • 06:26:12 | Computing xpass...
#> ✔ 06:26:12 | added xpass and pass_oe
#> • 06:26:12 | Decode player ids...
#> ✔ 06:26:12 | Decoding of player ids completed
#> ── DONE ────────────────────────────────────────────────────────────────────────
#> ── nflverse play by play ───────────────────────────────────────────────────────
#> ℹ Data updated: 2025-05-16 06:26:12 UTC
#> # A tibble: 539 × 372
#> play_id game_id old_game_id home_team away_team season_type week posteam
#> <dbl> <chr> <chr> <chr> <chr> <chr> <int> <chr>
#> 1 1 2020_20_BU… 2021012401 KC BUF POST 20 NA
#> 2 42 2020_20_BU… 2021012401 KC BUF POST 20 BUF
#> 3 57 2020_20_BU… 2021012401 KC BUF POST 20 BUF
#> 4 78 2020_20_BU… 2021012401 KC BUF POST 20 BUF
#> 5 102 2020_20_BU… 2021012401 KC BUF POST 20 BUF
#> 6 123 2020_20_BU… 2021012401 KC BUF POST 20 BUF
#> 7 145 2020_20_BU… 2021012401 KC BUF POST 20 BUF
#> 8 174 2020_20_BU… 2021012401 KC BUF POST 20 BUF
#> 9 207 2020_20_BU… 2021012401 KC BUF POST 20 BUF
#> 10 236 2020_20_BU… 2021012401 KC BUF POST 20 BUF
#> # ℹ 529 more rows
#> # ℹ 364 more variables: posteam_type <chr>, defteam <chr>, side_of_field <chr>,
#> # yardline_100 <dbl>, game_date <chr>, quarter_seconds_remaining <dbl>,
#> # half_seconds_remaining <dbl>, game_seconds_remaining <dbl>,
#> # game_half <chr>, quarter_end <dbl>, drive <dbl>, sp <dbl>, qtr <dbl>,
#> # down <dbl>, goal_to_go <int>, time <chr>, yrdln <chr>, ydstogo <dbl>,
#> # ydsnet <dbl>, desc <chr>, play_type <chr>, yards_gained <dbl>, …
# }