Get League Baseline As Of Date

Looks up the league's running average and calculates the blended baseline for a specific match date. Uses the most recent data BEFORE the match date to prevent data leakage.

Usage

get_league_baseline_as_of(
  event_name,
  match_date,
  league_lookup,
  global_avg_runs,
  blend_halflife = LEAGUE_BASELINE_BLEND_HALFLIFE
)

Arguments

event_name

Character. The event/league name.

match_date

Date or character. The match date.

league_lookup

Data frame from build_league_running_averages().

global_avg_runs

Numeric. The global format average.

blend_halflife

Integer. Deliveries until 50% league weight.

Value

Numeric. The blended expected runs baseline for this league/date.

Examples

if (FALSE) { # \dontrun{
league_lookup <- build_league_running_averages(conn, "t20")
baseline <- get_league_baseline_as_of(
  "Indian Premier League", "2024-04-01", league_lookup, 1.138
)
} # }