Proposal of packets and how to calculate stats

packet_proposal.txt

// Items always in a standard feed event
 - id
 - playerTags
 - teamTags
 - gameTags
 - metadata
 - created
 - day
 - season
 - phase
 - tournament
 - type
 - category
 - description
 - nuts

// Items added from a game update to a feed event to make a packet
 - gameId
 - gamePhase
 - homeTeam
 - awayTeam
 - homeBatter
 - awayBatter
 - homeBatterMod
 - awayBatterMod
 - homePitcher
 - awayPitcher
 - homePitcherMod
 - awayPitcherMod
 - homeOuts
 - homeStrikes
 - homeBalls
 - homeBases
 - awayOuts
 - awayStrikes
 - awayBalls
 - awayBases
 - stadiumId
 - weather
 - seriesLength
 - seriesIndex
 - isPostseason
 - isTitleMatch
 - inning
 - topOfInning
 - halfInningScore
 - homeScore
 - awayScore
 - atBatBalls
 - atBatStrikes
 - halfInningOuts
 - baserunnerCount
 - basesOccupied
 - baseRunners
 - baseRunnerMods
 - lastUpdate
 - scoreLedger
 - scoreUpdate
 - awayTeamBatterCount
 - homeTeamBatterCount
 - shame
 - outcomes
 - secretBaserunner
 - state // Starting mid season 17

// Items added to a packet in post-processing:
 - current batter             (mix of homeBatter and awayBatter)
 - current pitcher            (mix of homePicher and awayPitcher)
 - batCount                   (neither PA nor atBat, increments every time a new person is at the plate)
 - lastInBatCount             (true if this is the last packet in a certain batCount)
 - runsScored                 (number of runs scored in this packet, just using scores)
 - realRunsScored             (number of runs scored in this packet, treated like normal baseball)
 - runnersScored              (list of playerIds that scored a run this packet)
 - home responsible pitcher   (set to the homePitcher currently "responsible" for this game)
 - away responsible pitcher   (set to the awayPitcher currently "responsible" for this game)


// Batting
first_appearance      - day/season of first packet
appearances/games     - find events with a batter, unique per gameId
plate_appearances     - last batCount events that match a list
at_bats               - last batCount events that match a smaller list
hits                  - Count of type 10 + type 9
walks                 - count of type 5 + mind walks
singles               - count of type 10 with description "hits a single"
doubles               - count of type 10 with description "hits a double"
triples               - count of type 10 with description "hits a triple"
quadruples            - count of type 10 with description "hits a quadruple"
home_runs             - count of type 9
total_bases           - weighted sum of singles, doubles, triples, quads, and 4/5 homes
strikeouts            - count of type 6
ground_outs           - count of type 8
flyouts               - count of type 7
hit_by_pitches        - count of type 22
sacrifice_bunts       - text contains "sacrifice"
sacrifice_flies       - text contains "tags up and scores"
batting_average       - hits/at_bats
on_base_percentage    - (hits+walks+hbp)/PA
slugging              - total_bases/at_bats
runs_batted_in        - resulting runs scored
at_bats_risp          - at bats but with risp
hits_risp             - hits but with risp
batting_average_risp  - hits_risp/at_bats_risp
on_base_slugging      - OBP + SLG
gidp                  - type 8 that contain "double play"


// Running
stolen_bases          - count of type 4 without "caught"
caught_stealing       - count of type 4 with "caught"
runs                  - count appearances in runnersScored


// Pitching
games                 - find events with a pitcher, unique per gameId
wins                  - 
losses                - 
win_pct               - wins/(wins+losses)
pitches_thrown        - number of events that match a certain list
batters_faced         - count of unique (game, batCount) sets with batter=Null items filtered out
outs_recorded         - count of type 6, 7, or 8 events
innings               - outs_recorded/3 with dumb decimal point math
runs_allowed          - 
shutouts              - check realRunsScored == 0 and no pitcher swap per game
quality_starts        - check runs_allowed < 4 and outs_recorded > 18 and no pitcher swap per game
strikeouts            - count of type 6 events
walks                 - count of type 5 events
home_runs_allowed     - count of type 9 events
hits_allowed          - count of type 9 and 10 events
hit_by_pitches        - count of type 22 events
earned_run_average    - 9 * (runs_allowed)/innings
walks_per_9           - 9 * walks/innings
hits_per_9            - 9 * hits/innings
strikeouts_per_9      - 9 * strikeouts/innings
home_runs_per_9       - 9 * hrs/innings
whip                  - (walks + hits)/innings
strikeouts_per_walk   - stikeouts/walks