sachin tendulkar a stat analysis

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Is Sachin Tendulkar a match winner ?

TRANSCRIPT

  • Indian Cricket
    • Cricket is the national obsession of 1.3 billion people
    • Indian cricket industry is estimated to be over $ 1 trillion
    • IPL is the 5 th largest sports league in the world in 3 years
  • The Protagonist
    • Sachin Tendulkar
    • -93 Centuries
    • -Highest run getter in history of cricket
    • - 20 years of cricketing
    • -Considered the best batsman of all times
    • -Indian icon
    • -Not Tiger Woods !!!
  • The Great Indian Cricket Debate Is Sachin Tendulkar a match winner for India ? - 264,000 Google pages - Fragmented studies (based on centuries, events, etc) - Scores of debates - Divided opinion
  • Data
    • 20 years of Sachinof statistics covering ODI and Tests (no T20)
    • 20 years of Indian teams performance
    • Performance normalized based on fantasy league scoring
  • Analysis
    • Regression
  • Comparison Inzamam Ul Haq Pakistan Cricket Team Ricky Ponting Australian Cricket Team
  • The Verdict
  • Data Conditioning
    • Data extracted from www.cricinfo.com
    • Only ODI data considered
    • A players all round performance per match is calculated as
    • Perf = Runs Scored + (Wickets taken X 20) + (Fielding dismissals X 10)
    • Each wicket taken is equivalent to 20 runs
    • Each fielding dismissal is equivalent to 10 runs
  • H A = India wins when Sachin performs better than his average
    • Two Sample T
    • Sachins Performance when
    • India wins Vs loses
    • N Mean StDev SE Mean
    • Loss 192 40.7 38.4 2.8
    • Win 222 60.3 45.5 3.1
    • 95% CI for difference: (-27.74, -11.53)
    • P-Value = 0.000
    Sachins average performance for all games is 51.24
  • H A = Sachin scores a larger % of Indias runs when India wins
    • Two Sample T
    • Percentage of Indias runs scored by Sachin
    • N Mean StDev SE Mean
    • Loss % 192 14.3 13.9 1.0
    • Win % 222 20.1 17.2 1.2
    • 95% CI for difference: (-8.85, -2.84)
    • P-Value = 0.000
  • H A = Indias Margin of defeat/victory depends on Sachins score
    • Equation Margin = - 22.9 + 0.640 Sachins score
    • P=0.000 R-Sq = 7.7%
  • Comparison Inzamam Ul Haq Pakistan Cricket Team Ricky Ponting Australian Cricket Team By popular demand ..
  • New Comparison M.S Dhoni Current Captain of Indian Cricket Team Wicket Keeper Bats lower down the order Rahul Dravid Former Captain of Indian Cricket Team Part time Wicket Keeper Bats higher up the order
  • H A = Sachin, Dhoni and Dravid contribute differently when India wins
  • H A = Sachin, Dhoni and Dravid contribute differently when India wins
    • One-way ANOVA: Score versus Player
    • Source DF SS MS F P
    • Player 2 27221 13610 8.35 0.000
    • Error 465 757701 1629
    • Total 467 784921
    • S = 40.37 R-Sq = 3.47% R-Sq(adj) = 3.05%
    • Individual 95% CIs For Mean Based on
    • Pooled StDev
    • Level N Mean StDev ----+---------+------ ---+---------+ -----
    • Dhoni 86 53.73 37.64 (----------*----------)
    • Dravid 160 43.24 33.69 (-------*-------)
    • Sachin 222 60.35 45.46 (-----*------)
    • ----+---------+---------+---------+-----
    • 40.0 48.0 56.0 64.0
    • Pooled StDev = 40.37
  • Tukey Comparison
    • Tukey 95% Simultaneous Confidence Intervals
    • All Pairwise Comparisons among Levels of Player
    • Individual confidence level = 98.03%
    • Player = Dhoni subtracted from:
    • Player Lower Center Upper --------+---------+---------+---------+-
    • Dravid -23.12 -10.49 2.14 (-------*-------)
    • Sachin -5.39 6.61 18.61 (-------*-------)
    • --------+---------+---------+---------+-
    • -15 0 15 30
    • Player = Dravid subtracted from:
    • Player Lower Center Upper --------+---------+---------+---------+-
    • Sachin 7.31 17.10 26.90 (-----*------)
    • --------+---------+---------+---------+-
    • -15 0 15 30
    Dhoni performs as well as Sachin in Indian victories !!!
  • Conclusions
    • There is statistically significant data to establish
    • India wins when Sachin performs better than his average
    • Sachin scores a larger % of Indias runs when India wins
    • Indias Margin of defeat/victory depends on Sachins score
    • Dhoni performs as well as Sachin in Indian victories