/
get_current_season_ncaa_pbp.R
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get_current_season_ncaa_pbp.R
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install.packages("glue")
install.packages("stringr")
install.packages("rvest")
install.packages("dplyr")
install.packages("tidyr")
install.packages("magrittr")
library(glue)
library(stringr)
library(rvest)
library(dplyr)
library(tidyr)
library(magrittr)
ncaa_softball_pbp <- function(game_id){
options(warn = -1)
box_raw <- glue::glue("https://stats.ncaa.org/contests/{game_id}/box_score") %>%
readLines()
pbp_id <- sub('.*/(\\d+).*', '\\1', box_raw[grep("Play by Play", box_raw)[1]])
possible_events <- c("struck out swinging",
"struck out looking",
"grounded out",
"flied out",
"infield fly",
"hit into double play",
"lined out",
"out",
"reached on a fielder's choice",
"reached on an error",
"reached on a throwing error",
"reached on a fielding error",
"lined into double play",
"grounded into double play",
"hit by pitch",
"walked",
"intentionally walked",
"fouled out",
"fouled into double play",
"popped up",
"singled",
"doubled",
"tripled",
"homered")
raw <- glue::glue("https://stats.ncaa.org/game/play_by_play/{pbp_id}") %>%
rvest::read_html() %>%
rvest::html_table()
if(length(raw) == 0) return(NULL)
upd <- raw[(5:length(raw))][c(F,T)]
df <- do.call(rbind, upd)
names(df) <- df[1,]
team_name <- df[1,1] %>% as.character()
team_col <- 1
opponent_name <- df[1,3] %>% as.character()
opponent_col <- 3
filtered <- df %>%
dplyr::rename(team = team_col, opponent = opponent_col) %>%
tidyr::separate(Score, c("away_team_runs", "home_team_runs"), sep = "-") %>%
dplyr::select(team, away_team_runs, opponent, home_team_runs) %>%
dplyr::mutate(new_inning = team == team_name,
inning = cumsum(new_inning)) %>%
dplyr::filter(stringr::str_detect(team, paste(possible_events, collapse = "|")) |
stringr::str_detect(opponent, paste(possible_events, collapse = "|")) |
stringr::str_detect(team, "\\(|R:") |
stringr::str_detect(opponent, "\\(|R:")) %>%
dplyr::select(-new_inning)
away_team <- ifelse(filtered$team[1] != "", team_col, opponent_col)
top_bottom <- as.character(ifelse(!filtered[away_team] == "", "bottom", "top"))
filtered <- filtered %>%
dplyr::mutate(top_bottom = top_bottom,
events = ifelse(team == "", opponent, team),
team = ifelse(team == "", opponent_name, team_name),
opponent = ifelse(opponent == "", opponent_name, team_name)) %>%
dplyr::filter(!stringr::str_detect(events, "H: "))
# Play ID Format: game_id, inning, top/bottom (top = 0, bottom = 1), play #
pbp <- filtered %>%
dplyr::mutate(top_bottom = top_bottom,
game_id = game_id) %>%
dplyr::group_by(inning, top_bottom) %>%
dplyr::mutate(play_id = paste0(game_id, "_", inning, "_", as.numeric(top_bottom == "bottom"), "_", dplyr::row_number())) %>%
dplyr::ungroup() %>%
dplyr::filter(away_team_runs != "Score")
return(pbp)
}
load_ncaa_softball_scoreboard <- function(season, division = "D1"){
if(!is.numeric(season)) return("Invalid Input")
if(!(division %in% c("D1", "D2", "D3"))) stop("Invalid Division")
if(min(season) < 2016 | max(season) > 2023) stop("Invalid Season")
if(length(season) == 1){
if(division == "D1"){
url <- glue::glue("https://github.com/tmking2002/softballR-data/blob/main/data/ncaa_scoreboard_{season}.RDS?raw=true")
} else{
url <- glue::glue("https://github.com/tmking2002/softballR-data/blob/main/data/ncaa_scoreboard_{division}_{season}.RDS?raw=true")
}
con <- url(url)
on.exit(close(con))
scoreboard <- try(readRDS(con), silent = TRUE)
} else{
scoreboard <- data.frame()
for(i in 1:length(season)){
if(division == "D1"){
url <- glue::glue("https://github.com/tmking2002/softballR-data/blob/main/data/ncaa_scoreboard_{season[i]}.RDS?raw=true")
} else{
url <- glue::glue("https://github.com/tmking2002/softballR-data/blob/main/data/ncaa_scoreboard_{division}_{season[i]}.RDS?raw=true")
}
con <- url(url)
on.exit(close(con))
scoreboard <- rbind(scoreboard, try(readRDS(con), silent = TRUE))
}
}
return(scoreboard)
}
load_ncaa_softball_pbp <- function(season, division = "D1"){
if(!is.numeric(season)) stop("Invalid Input")
if(season != 2023) stop("Invalid Season")
if(!(division %in% c("D1", "D2", "D3"))) stop("Invalid division")
division_id <- stringr::str_replace(division, "D", "d")
url <- glue::glue("https://github.com/tmking2002/softballR-data/blob/main/data/{division_id}_ncaa_pbp_{season}.RDS?raw=true")
con <- url(url)
on.exit(close(con))
scoreboard <- try(readRDS(con), silent = TRUE)
return(scoreboard)
}
cur_season <- get_cur_season()
d1_scoreboard <- load_ncaa_softball_scoreboard(cur_season, division = "D1") %>% mutate(game_date = stringr::word(game_date, 1, 3, sep = "/| |<"))
d2_scoreboard <- load_ncaa_softball_scoreboard(cur_season, division = "D2") %>% mutate(game_date = stringr::word(game_date, 1, 3, sep = "/| |<"))
d3_scoreboard <- load_ncaa_softball_scoreboard(cur_season, division = "D3") %>% mutate(game_date = stringr::word(game_date, 1, 3, sep = "/| |<"))
d1_pbp <- load_ncaa_softball_pbp(cur_season, division = "D1")
d2_pbp <- load_ncaa_softball_pbp(cur_season, division = "D2")
d3_pbp <- load_ncaa_softball_pbp(cur_season, division = "D3")
most_recent <- max(c(d1_pbp$game_date, d2_pbp$game_date, d3_pbp$game_date))
d1_games <- d1_scoreboard %>%
filter(game_date > most_recent)
d2_games <- d2_scoreboard %>%
filter(game_date > most_recent)
d3_games <- d3_scoreboard %>%
filter(game_date > most_recent)
if(nrow(d1_games > 0)){
for(i in 1:nrow(d1_games)){
curr_pbp <- ncaa_softball_pbp(d1_games$game_id[i])
if(!(is.null(curr_pbp))){
d1_pbp <- rbind(d1_pbp, curr_pbp %>%
mutate(game_date = d1_games$game_date[i]))
}
}
}
if(nrow(d2_games) > 0){
for(i in 1:nrow(d2_games)){
curr_pbp <- ncaa_softball_pbp(d2_games$game_id[i])
if(!(is.null(curr_pbp))){
d2_pbp <- rbind(d2_pbp, curr_pbp %>%
mutate(game_date = d2_games$game_date[i]))
}
}
}
if(nrow(d3_games) > 0){
for(i in 1:nrow(d3_games)){
curr_pbp <- ncaa_softball_pbp(d3_games$game_id[i])
if(!(is.null(curr_pbp))){
d3_pbp <- rbind(d3_pbp, curr_pbp %>%
mutate(game_date = d3_games$game_date[i]))
}
}
}
saveRDS(d1_pbp, glue("data/d1_ncaa_pbp_{cur_season}.RDS"))
saveRDS(d2_pbp, glue("data/d2_ncaa_pbp_{cur_season}.RDS"))
saveRDS(d3_pbp, glue("data/d3_ncaa_pbp_{cur_season}.RDS"))