An analysis of players\' performances in the first cricket Twenty20 World Cup series

Lemmer, Hermanus H.

doi:10.4314/sajrs.v30i2.25990

Cited by 28 publications

(23 citation statements)

References 6 publications

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“…The formula of the global strike rate GMSR is similar to MSR, but R then denotes the total number of runs scored and B the total number of balls faced by all batsmen in the match. The strike rate adjustment is RP0(MSR/GMSR) 0.50 which is similar to that of BP 26 in Lemmer (2008a), where BP 26 0e 26 x RP with RP0(SR/124.03) 0.50 in the latter case. After each match the batsman's score R is replaced by his adjusted score T0R x (MSR/ GMSR) 0.50 .…”

Section: Performance Measuresmentioning

confidence: 90%

“…Lemmer (2008b) showed that the traditional average, AVE, is not reliable as an estimator of the average in the case of a high proportion of not out scores, especially if a small number of innings have been played. In Lemmer (2008a) formula e 26 has been shown to be a much better estimator than AVE. The formula is e 26 ¼ ðsumout þ ð2:1 À 0:005 Â avnoÞ)sumnoÞ=n (1) with n the number of innings played, 'sumout' the sum of the out scores, 'sumno' the sum of the not out scores and 'avno' the average of the not out scores of the batsman.…”

Section: Performance Measuresmentioning

confidence: 97%

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Team selection after a short cricket series

Lemmer

2011

European Journal of Sport Science

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The selection of a cricket team cannot be fair unless the best available performance measures are used. The traditional batting average can be very unrealistic, especially in the case of a small number of scores with a high proportion of not out scores. In the present study the focus is on using the most suitable measures for the selection of a team after a small number of matches had been played. Provision is made for the fact that match conditions may influence the scoring rate of batsmen. These measures are used for illustration purposes to select a team from the players who played in the International Cricket Council (ICC) Champions Trophy 2009 One-Day International (ODI) Series. It is shown how an integer programming method can be used for the selection process. The approach is that a well balanced cricket team should include different kinds of specialists, namely batsmen, bowlers, all-rounders and a wicket-keeper. A selection committee may be able to rank batsmen in order of batting ability and bowlers according to bowling ability, but when it comes to all-rounders it is not so simple. The fact that an all-rounder is, by definition, a good batsman and also a good bowler, makes it difficult to rank allrounders. Furthermore, how many of each specialist type should be selected? The purpose of this paper is to show how integer optimisation, an objective scientific method, can be used to aid in selecting a cricket team. Guidelines are also given for the selection of a team if career performance data have to be used.

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Section: Performance Measuresmentioning

confidence: 90%

Section: Performance Measuresmentioning

confidence: 97%

Team selection after a short cricket series

Lemmer

2011

European Journal of Sport Science

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“…Here R represents the number of runs conceded by the bowler, O denotes the number of overs bowled, B represents the number of balls bowled, and W* is the sum of the weights of the wickets taken by the bowler. These weights were assigned for each wicket as explained by Lemmer (10).…”

Section: Methodsmentioning

confidence: 99%

Bowlers’ Performances in 2013 Champions Trophy

Wickramasinghe

2014

Ann. Appl. Sport Sci

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“…Omdat spelers tot dusver nog baie min sulke wedstryde op internasionale vlak gespeel het, is dit nog nie mootlik om die prestasiemaatstawwe volledig te ontwikkel nie. In Lemmer (2008b) is aanbeveel dat die EDI-maatstawwe gebruik word. Vir kolfprestasie sal daar 'n geringe wysiging wees omdat die gemiddelde trefkoers volgens Varghese (2007) …”

Section: Twintig20 Krieketunclassified

Cricket performance measures

Lemmer

2009

Suid-Afrikaanse Tydskr Natuurwetenskap Tegnol

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hoffi el@uj.ac.za HOFFIE LEMMER beklee 'n aanstelling asEmeritus Professor aan die Universiteit van Johannesburg. Hy het aan die Universiteit van Pretoria gestudeer en het die grade B.Sc (met lof), M.Sc (met lof) en D.Sc aldaar verwerf. Hy het ook aan daardie inrigting sy beroepsloopbaan begin as lektor en later senior lektor, voordat hy in 1968 by die R.A.U. as professor aangestel is. Sy hoof navorsingsrigting was op daardie stadium nieparametriese statistiek en hy het meer as dertig artikels in internasionaal erkende tydskrifte gepubliseer. Hy was ook betrokke by 'n groot verskeidenheid konsultasieprojekte. Hy het aan die einde van 2001 afgetree en het daarna 'n aanstelling aanvaar as Spesiale Professor met die oog op die voortsetting van sy navorsing. Sedert sy aftrede spits hy hom toe op die ontwikkeling van prestasiemaatstawwe in krieket, waarin hy reeds agt navorsings-en talle populêre artikels gepubliseer het. HOFFIE LEMMER currently holds an appointmentas an Emeritus Professor at the University of Johannesburg. He studied at the University of Pretoria and obtained the B.Sc (cum laude), M.Sc (cum laude) and D.Sc degrees at this university. He also started his academic career at the University of Pretoria as a lecturer and was subsequently promoted to senior lecturer at the same institution. In 1968 he was appointed as professor of statistics at the R.A.U. His main research interest at the time was non-parametric statistics and he published more than thirty papers in international journals. He was involved in many consultation projects. He retired at the end of 2001, after which he was offered the position of Special Professor at the University of Johannes burg, in order to enable him to continue his research. Since his retirement his research has focused on the development of cricket performance measures. Thus far he has published eight research papers and many popular articles in this fi eld. Hoffi e Lemmer ABSTRACT Cricket performance measures

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An analysis of players\' performances in the first cricket Twenty20 World Cup series

Cited by 28 publications

References 6 publications

Team selection after a short cricket series

Team selection after a short cricket series

Bowlers’ Performances in 2013 Champions Trophy

Cricket performance measures

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