Post on 15-Mar-2022
Statistics: Simple &Statistics: Simple &EssentialEssential
Kathy Kathy DeBoerDeBoer, Executive Director, Executive DirectorAmerican Volleyball Coaches AssociationAmerican Volleyball Coaches Association
March 5, 2010March 5, 2010
Iowa’s NumbersIowa’s Numbers
What is the most popular team sport for girls inWhat is the most popular team sport for girls inthe state?the state?14552 = 40% higher than softball14552 = 40% higher than softballAVCA & IowaAVCA & Iowa
Why Keep Stats?Why Keep Stats?
Make you a Better CoachMake you a Better CoachObjective decision-makingObjective decision-makingPractice PlanningPractice PlanningParents??Parents??
Raise the Profile of yourRaise the Profile of yourProgram/AthletesProgram/Athletes
MediaMediaAwardsAwards
Assist in the Development ofAssist in the Development ofVolleyballVolleyball
Promote understanding of thePromote understanding of thegamegameMainstream our sportMainstream our sport
Statistical LanguageStatistical Language
What Sport and What is it?What Sport and What is it?ERAERARBIRBIYards per CarryYards per CarryPassing EfficiencyPassing EfficiencyAssist to Turnover RatioAssist to Turnover RatioPoints per GamePoints per GameRebounds per GameRebounds per GameShots on GoalShots on GoalPenalty kicksPenalty kicksPlaying ShorthandedPlaying ShorthandedSlugging PercentageSlugging Percentage
Volleyball – What is it?Volleyball – What is it?Hitting PercentageHitting PercentageKill PercentageKill PercentageBlocks per SetBlocks per SetAces per SetAces per SetAssistsAssistsDigsDigsPoints per RotationPoints per RotationSide-out RatioSide-out RatioOppositeOppositeO1 – M2O1 – M2RotationsRotationsMatchupsMatchups
Start SimpleStart Simple
Four ways to score pointsFour ways to score pointsKillKillService AceService AceTerminating BlockTerminating BlockOpponent ErrorOpponent Error
Getting StartedGetting Started
//Whistle -BallWhistle -BallHandlingHandling
////
Blocker in the netBlocker in the net
//////Serve ErrServe Err////////
Block Assist PointsBlock Assist Points 1/2 1/2
1111 1 14 1 141199TotalsTotals7 Kim-L7 Kim-L6 Kylie6 Kylie
1 1//5 Sam5 Sam
1 1//4 Chris4 Chris
/ 3 / 3////3 3 MoniqueMonique
/ 2.5 / 2.5////2 Kate2 Kate
Out or into theOut or into thenet Attack Errnet Attack Err
/ 4.5 / 4.5////////1 Sue1 Sue
Opponent ErrorOpponent Error!!((Attack, Serve, Block,Attack, Serve, Block,Ball HandleBall Handle))
BlockBlock
SoloSolo!!ServingServing
AceAce!!Kills!Kills!To the floor orTo the floor oroff the blockoff the block
PlayerPlayer
Expanded StatsExpanded Stats
Points = kills + serves aces + block solos + ½ block assistsPoints = kills + serves aces + block solos + ½ block assists
………………JeanJeanKimKimSueSue
!!!!!!!!!!!!!! K Konlyonly
K – EK – E TA TA
K+EK+E++00!!!!Player
Points For and AgainstPoints For and Against
Faucette: Points For = 14; Points Against = 10 For Match +4
A Second Look @ Hitting ErrorsA Second Look @ Hitting Errors
How many errors from blocks?How many errors from blocks?Good Errors v. Bad ErrorsGood Errors v. Bad Errors
Training hitters to attackTraining hitters to attackthe blockthe blockSeamSeamOutside ForearmOutside ForearmHigh HandsHigh HandsAdvancedAdvanced
Change up for second swingChange up for second swing
Box ScoreBox Score
Team: Earned Points = 69; Gifts = 51 (38)Opponent’s Block v. Hitting ball out of bounds (36 errors; 13 on blocks)
Box ScoreBox Score
Statistical checks if keeping both sidesStatistical checks if keeping both sides1. Service Aces = Reception Errors1. Service Aces = Reception Errors
2. Kills + Aces + Block Solos + ½ Block 2. Kills + Aces + Block Solos + ½ BlockAssists + Selected Opponents Errors [(AE –Assists + Selected Opponents Errors [(AE –TTB) + SE + BHE] = number of points yourTTB) + SE + BHE] = number of points yourteam scored in a game (match).team scored in a game (match).
Total Match
Florida = 88
EarnedKills = 57
SA = 1
Team Blocks = 11
TOTAL = 69
GiftsTx AE(20)-TB(11) = 9
SE = 9
BHE = 1
TOTAL = 19
69 earned + 19 Gifts = 88
Minimize Un-Forced ErrorsMinimize Un-Forced Errors
Service Errors?Service Errors?How many serves can you miss?How many serves can you miss?Ace – Error RatioAce – Error Ratio
Blocking ErrorsBlocking ErrorsBall Handling ErrorsBall Handling ErrorsHitting Errors not the result of the OpponentsHitting Errors not the result of the OpponentsBlockBlock
Hitting Errors
Texas: 25 E - 14 PSU Blocks
11 unforced errors/183 swings
6%
Penn State: 20 E – 12 Tx Bls
8 unforced errors/175 swings
4.6%!
3 Time National Champion
Base Positions When Serving
Five Hitters/One Setter (5-1)
OPPS
M2O1
M1O2
O1OPP
M2
S
O2M1
M2OPP
O2
SO1M1
O1
SM1
M2OPPO2
M2OPP
O2M1
SO1
M2
OPPO2M1
SO1
Rotation 1 Rotation 2 Rotation 3
KEYS=SetterO=OutsideHitterM=MiddleBlockerOpp=RightSide Hitter
Libero: Maybesubstitutedfor both M’sor both O’s
Base Positions When Serving
Five Hitters/One Setter (5-1)
SOPP
M1O2
M2O1
O2S
M1
OPP
O1M2
M1S
O1O2M2
02
OPPM2
M1 SO1
M1S
O1M2
OPPO2
M1
SO1M2
OPPO2
Rotation 4 Rotation 5 Rotation 6OPP
KEYS=SetterO=OutsideHitterM=MiddleBlockerOpp=RightSide Hitter
Libero: Maybesubstitutedfor both M’sor both O’s
Rotation Analysis from Score sheetRotation Analysis from Score sheet
Setterserving
O1
M2
Opp
O2
M1
10/2 =5
3/2=1.5
Play as much of each set as possible in your best rotations
Which Rotation should each team start in?
Matchup Worksheet
Who Blocks and DigsRonda Rocket?
9
Can I get my weaker Hitter away from Betty Block?
11
1
Am I playing someone with a predictable starting rotation?
Am I in my best receptionformation when Jenny Jump is
serving?
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American Volleyball CoachesAmerican Volleyball CoachesAssociationAssociation
Affiliate StatesAffiliate StatesMichigan, Ohio, Wisconsin, Minnesota, SouthMichigan, Ohio, Wisconsin, Minnesota, SouthDakota, Massachusetts, Kentucky, Georgia, IllinoisDakota, Massachusetts, Kentucky, Georgia, IllinoisNational AwardsNational Awards
2009 Team Academic (2) 2009 Team Academic (2)Clinton High School (Coach Mark Massey)Clinton High School (Coach Mark Massey)Sheldon High School (Coach Michele Sheldon High School (Coach Michele HoogersHoogers))2009 Second Team All-American2009 Second Team All-AmericanJessica Jessica GehrkeGehrke, Iowa City West High School, Iowa City West High School
Kansas City – 2010 NCAA Championship &Kansas City – 2010 NCAA Championship &AVCA Convention/Volleyball MarketplaceAVCA Convention/Volleyball Marketplace
2009 Team Academic (2)2009 Team Academic (2)Clinton High School (Coach Mark Massey)Clinton High School (Coach Mark Massey)Sheldon High School (Coach Michele Sheldon High School (Coach Michele HoogersHoogers)) 2009 Second Team All-American 2009 Second Team All-AmericanJessica Jessica GehrkeGehrke, Iowa City West High School, Iowa City West High School