wehoop (version 3.0.0)

load_wnba_player_impact: Load WNBA player-impact ratings (RAPM / SPM / BPM / DARKO) from the data repo

Description

Loads season-level WNBA player-impact ratings -- one row per player-team-season, combining regularized adjusted plus-minus (RAPM), statistical plus-minus (SPM), box plus-minus (BPM), wins above replacement (WAR), and a DARKO-style skill/projection pair. Produced by the sdv-py NBA/WNBA possession-engine model program; published to the wnba_player_impact release tag as csv/parquet/rds.

Loads season-level NCAA women's college basketball player-value ratings -- one row per player-team-season, with a box-score-derived offensive/defensive/net box plus-minus (BPM). Coverage starts at 2014 (the earliest season with published box-score inputs of sufficient quality for the model); this tag is parquet-only, with no csv/rds sibling assets. Produced by the sdv-py NCAA WBB model program; published to the wbb_player_value release tag.

Loads season-level NCAA women's college basketball team ratings -- one row per team-season, with adjusted (opponent-strength-normalized) offensive/defensive efficiency, adjusted tempo, raw efficiency, and a national rank. A KenPom-style adjusted-efficiency-margin rating. This tag is parquet-only, with no csv/rds sibling assets. Produced by the sdv-py NCAA WBB model program; published to the wbb_ratings release tag.

Usage

load_wnba_player_impact(
  seasons = most_recent_wnba_stats_season(),
  ...,
  dbConnection = NULL,
  tablename = NULL
)
load_wbb_player_value(
  seasons = most_recent_wbb_season(),
  ...,
  dbConnection = NULL,
  tablename = NULL
)
load_wbb_ratings(
  seasons = most_recent_wbb_season(),
  ...,
  dbConnection = NULL,
  tablename = NULL
)

Value

Returns a wehoop_data tibble with one row per player-team-season.

col_name	types	description
player_id	integer	Unique WNBA Stats player identifier.
player_name	character	Player display name.
team_id	integer	Unique team identifier.
team_abbreviation	character	Team abbreviation.
team_name	character	Full team display name.
teams	character	Team abbreviation(s) the player appeared for this season.
season	integer	Season identifier (4-digit year).
season_type	character	Season portion (e.g. 'Regular Season').
o_rapm	numeric	Offensive regularized adjusted plus-minus.
d_rapm	numeric	Defensive regularized adjusted plus-minus.
rapm	numeric	Net regularized adjusted plus-minus (o_rapm + d_rapm).
off_poss	integer	Offensive possessions used in the RAPM fit.
def_poss	integer	Defensive possessions used in the RAPM fit.
o_adj_rapm	numeric	Offensive RAPM adjusted for minutes/possession stability.
d_adj_rapm	numeric	Defensive RAPM adjusted for minutes/possession stability.
adj_rapm	numeric	Net adjusted RAPM (o_adj_rapm + d_adj_rapm).
ospm	numeric	Offensive statistical plus-minus (box-score component).
dspm	numeric	Defensive statistical plus-minus (box-score component).
spm	numeric	Net statistical plus-minus.
min	numeric	Minutes played.
gp	integer	Games played.
obpm	numeric	Offensive box plus-minus.
dbpm	numeric	Defensive box plus-minus.
bpm	numeric	Net box plus-minus.
war	numeric	Wins above replacement.
darko_filtered_skill	numeric	DARKO-style filtered skill rating.
darko_projected_rating	numeric	DARKO-style forward-looking projected rating.
darko_projected_sd	numeric	Standard deviation of the DARKO-style projected rating.

Returns a wehoop_data tibble with one row per player-team-season.

col_name	types	description
player_id	character	stats.ncaa.org player identifier.
player	character	Player display name (title-cased).
season	integer	Season identifier (4-digit season-ending year).
team_id	character	Unique team identifier.
min	numeric	Minutes played.
box_obpm	numeric	Box-score offensive box plus-minus.
box_dbpm	numeric	Box-score defensive box plus-minus.
box_bpm	numeric	Box-score net box plus-minus (box_obpm + box_dbpm).

Returns a wehoop_data tibble with one row per team-season.

col_name	types	description
season	integer	Season identifier (4-digit season-ending year).
team_id	character	Unique team identifier.
adj_o	numeric	Adjusted offensive efficiency (points per 100 possessions, opponent-adjusted).
adj_d	numeric	Adjusted defensive efficiency (points allowed per 100 possessions, opponent-adjusted).
adj_em	numeric	Adjusted efficiency margin (adj_o minus adj_d).
adj_tempo	numeric	Adjusted possessions per 40 minutes.
raw_o	numeric	Unadjusted (raw) offensive efficiency.
raw_d	numeric	Unadjusted (raw) defensive efficiency.
games	integer	Games played (season total).
rank	integer	National rank by adj_em.
adj_em_z	numeric	Z-score of adj_em relative to the season's team distribution.

Arguments

seasons

A vector of 4-digit season-ending years for NCAA women's college basketball. Published coverage runs 2008 through the most recent season, with no gaps. Pass seasons = TRUE for every published season. (Min: 2008)

...

Additional arguments passed to an underlying function that writes the season data into a database.

dbConnection

A DBIConnection object, as returned by DBI::dbConnect()

tablename

The name of the data table within the database

Author

Saiem Gilani

Examples

# \donttest{
  try(load_wnba_player_impact(seasons = most_recent_wnba_stats_season()))
# }
# \donttest{
  try(load_wbb_player_value(seasons = most_recent_wbb_season()))
# }
# \donttest{
  try(load_wbb_ratings(seasons = most_recent_wbb_season()))
# }