2014
DOI: 10.1080/02640414.2014.925572
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Informing in-season tactical periodisation in team sport: development of a match difficulty index for Super Rugby

Abstract: In team sports, tactical periodisation refers to the planned manipulation of training loads with the aim of prioritising athlete readiness for matches of greatest importance. Although monitoring of athletes' physical condition is often used to inform this planning, the direct influence of external factors on match difficulty has not been well quantified. In this study, a 'match difficulty index' (MDI) for use in Super Rugby was developed, based on the influence imparted by five external factors on previous mat… Show more

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Cited by 29 publications
(34 citation statements)
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“…Additionally, chi-squared automatic interaction detection (CHAID) classification trees were also used to model the relationship between the same performance indicators and match outcome for the 2013 season data. Classification trees have the benefit of being able to model non-linear phenomena, as well as being easy to interpret by non-analysts (Morgan et al, 2013;Robertson & Joyce, 2014). To prevent overfitting of the tree, a minimum of 10 cases were required in order for a node to split.…”
Section: Discussionmentioning
confidence: 99%
“…Additionally, chi-squared automatic interaction detection (CHAID) classification trees were also used to model the relationship between the same performance indicators and match outcome for the 2013 season data. Classification trees have the benefit of being able to model non-linear phenomena, as well as being easy to interpret by non-analysts (Morgan et al, 2013;Robertson & Joyce, 2014). To prevent overfitting of the tree, a minimum of 10 cases were required in order for a node to split.…”
Section: Discussionmentioning
confidence: 99%
“…Because of its ability to identify multiple combinations of factors that influence outcome, decision tree analysis was selected as the experimental model to classify MMA. This technique also has the advantage of being intuitive and easy to interpret by coaches and analysts 1,6,18 , in addition to providing greater insight into the factors influencing an outcome variable than linear methods 19 . The decision tree analysis (chi-square automatic interaction detector (CHAID)) was used to classify 6 outcome (Win and Loss) based on the 11 raw and three accuracy independent variables.…”
Section: Methodsmentioning
confidence: 99%
“…Recently, attempts to model "fixed" and "dynamic" pre-match factors that influence game performance across multiple team sports (Robertson & Joyce, 2015 have been made. Specifically, in elite AF, "match difficulty indexes" were created to quantify periods of the 2014 season when winning may have been more difficult (Robertson & Joyce, 2018).…”
Section: Introductionmentioning
confidence: 99%