In this installment of Victor Holman’s Sports Analytics 3 Minute Drill, Victor explains network-style models. The network model is a database model conceived as a flexible way of representing objects and their relationships. Its distinguishing feature is that the schema, viewed as a graph in which object types are nodes and relationship types are arcs,…
DetailsIn this installment of Victor Holman’s Sports Analytics 3 Minute Drill, Victor explains measuring mean and median. Mean and median are two of the most useful methods used to summarize numerical data. The mean of a set of data is simply the average, which is found by adding up the total of all the observations…
DetailsPlayer injuries are a key concern for all teams across all sports. Injuries can cost teams thousands of dollars every day and negatively affect the teams' competitiveness. Over the years several programs have been developed in an attempt to estimate injury risk, but to date none have been able to present precise and accurate data.…
DetailsIn this installment of Victor Holman’s Sports Analytics 3 Minute Drill, Victor explains Linear Regression. Linear regression is a linear approach to modelling the relationship between a scalar response (or dependent variable) and one or more explanatory variables (or independent variables). The case of one explanatory variable is called simple linear regression. For more than…
DetailsIn this installment of Victor Holman’s Sports Analytics 3 Minute Drill, Victor explains Inertial Sensor Training Load Metrics. Technological developments have led to the production of inexpensive, non-invasive, miniature magneto-inertial sensors, ideal for obtaining sport performance measures during training or competition. ———————— Find out how Sports Analytics Expert Victor Holman can give your team the…
DetailsIn this installment of Victor Holman’s Sports Analytics 3 Minute Drill, Victor explains clustering. Clustering, in the context of databases, refers to the ability of several servers or instances to connect to a single database. An instance is the collection of memory and processes that interacts with a database, which is the set of physical…
DetailsIn this installment of Victor Holman’s Sports Analytics 3 Minute Drill, Victor explains Play Sketching. Tracking data in sports has become a staple for teams and coaches as they can now study their upcoming opponents in order to determine the best strategy possible. However, coaches do not have access to this data during the game…
DetailsIn this installment of Victor Holman’s Sports Analytics 3 Minute Drill, Victor explains the Allocative and Dynamic Efficiency. Allocative efficiency occurs when resources are so allocated that it is not possible to make the team better in one area without negatively impacting the team in another area. Dynamic efficiency balances a short term approach to…
DetailsIn this edition of Victor Holman’s 3 Minute Drill, Victor Holman explains Bipartite Graph Algorithms in sports analytics today. In the mathematical field of graph theory, a bipartite graph (or bigraph) is a graph whose vertices can be divided into two disjoint and independent sets {\displaystyle U} U and {\displaystyle V} V such that every…
DetailsUsing film or player tracking data, a quantitative analysis representative of the entire possession will occur where each moment in the possession is summarized on the basis of the expected value of the possession at each moment. For each moment of a possession a value is assigned to each of the individual tactical moves a player can…
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