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Prediction Of Upper Body Power Of Cross Country Skiers Using Machine Learning Methods Combined With Feature Selection Algorithms
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Book Synopsis Prediction of Upper Body Power of Cross-Country Skiers Using Machine Learning Methods Combined with Feature Selection Algorithms by : Mustafa Mikail Özçiloğlu
Download or read book Prediction of Upper Body Power of Cross-Country Skiers Using Machine Learning Methods Combined with Feature Selection Algorithms written by Mustafa Mikail Özçiloğlu and published by Dissertation.com. This book was released on 2017-03-03 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: Upper body power (UBP) is one of the most important factors affecting the performance of cross-country skiers during races. Although some initial studies have already attempted to predict UBP, until now, no study has attempted to apply machine learning methods combined with various feature selection algorithms to identify the discriminative features for prediction of UBP. The purpose of this study is to develop new prediction models for predicting the 10-second UBP (UBP10) and 60-second UBP (UBP60) of cross-country skiers by using General Regression Neural Networks (GRNN), Radial-Basis Function Network (RBF), Multilayer Perceptron (MLP), Support Vector Machine (SVM), Single Decision Tree (SDT) and Tree Boost (TB) along with the Relief-F feature selection algorithm, minimum redundancy maximum relevance (mRMR) feature selection algorithm and the Correlation-based Feature Subset Selection (CFS). Several models have been developed to predict UBP10 and UBP60 of cross-country skiers using two datasets. 10-fold cross validation has been performed for model testing. The efficiency of the prediction models has been calculated with their multiple correlation coefficients (R’s), standard error of estimates (SEE’s) and mean absolute percentage errors (MAPE’s). The results emphasize that GRNN-based prediction models show higher performance than the other regression methods. Also, using less number of predictor variables than the full set of predictor variables can be useful for prediction of UBP10 and UBP60 with comparable error rates.
Book Synopsis Algorithms for Prediction of Upper Body Power of Cross-Country Skiers by : Mustafa Mikail Özçiloglu
Download or read book Algorithms for Prediction of Upper Body Power of Cross-Country Skiers written by Mustafa Mikail Özçiloglu and published by . This book was released on 2017-01-07 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Development of Upper Body Power in Junior Cross Country Skiers by : Thomas William Nesser
Download or read book The Development of Upper Body Power in Junior Cross Country Skiers written by Thomas William Nesser and published by . This book was released on 2000 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Upper Body Characteristics Related to Double Pole Performance in Female Cross Country Skiers by :
Download or read book Upper Body Characteristics Related to Double Pole Performance in Female Cross Country Skiers written by and published by . This book was released on 2016 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose of the current study was to correlate upper body (UB) lean mass (UBLM), UB maximal strength (UBMS), and average power production during a 3-min ski ergometer (SERG) test to predict the dependent variable, a one-kilometer uphill double pole time trial (DPTT) on snow. We hypothesized UBLM would be most important to performance. All tests were conducted within four weeks of completing the championship phase of a Division I cross country (XC) ski season. Skiers (n=10; all females) performed the mass-start DPTT on snow (i.e., criterion measure), SERG, and UBMS separated by at least a few days recovery. Lastly, body composition was determined via dual-energy x-ray absorptiometry (DXA) with a focus on UB mass characteristics (i.e., trunk + arm lean mass). A significant (p = 0.02) correlation was observed between DPTT and UBLM. No significant (p > 0.05) correlations were observed for UBMS or SERG vs. DPTT. Thus, our hypothesis was supported and we suggest female, competitive cross country skiers work to build functional UB lean mass to best prepare for utilizing the ever popular and evolving double pole technique."--Abstract.
Book Synopsis The Role of Upper Body Power in Classical Cross-country Skiing Performance by : Nathan Gabriel Alsobrook
Download or read book The Role of Upper Body Power in Classical Cross-country Skiing Performance written by Nathan Gabriel Alsobrook and published by . This book was released on 2005 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gender Differences in the Response to Upper Body Strength Training in Adolescent Cross-country Skiers by : Shuping Chen
Download or read book Gender Differences in the Response to Upper Body Strength Training in Adolescent Cross-country Skiers written by Shuping Chen and published by . This book was released on 2000 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Popular Science written by and published by . This book was released on 2004-12 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.
Download or read book Backpacker written by and published by . This book was released on 2007-09 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Backpacker brings the outdoors straight to the reader's doorstep, inspiring and enabling them to go more places and enjoy nature more often. The authority on active adventure, Backpacker is the world's first GPS-enabled magazine, and the only magazine whose editors personally test the hiking trails, camping gear, and survival tips they publish. Backpacker's Editors' Choice Awards, an industry honor recognizing design, feature and product innovation, has become the gold standard against which all other outdoor-industry awards are measured.
Download or read book Backpacker written by and published by . This book was released on 2007-09 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Backpacker brings the outdoors straight to the reader's doorstep, inspiring and enabling them to go more places and enjoy nature more often. The authority on active adventure, Backpacker is the world's first GPS-enabled magazine, and the only magazine whose editors personally test the hiking trails, camping gear, and survival tips they publish. Backpacker's Editors' Choice Awards, an industry honor recognizing design, feature and product innovation, has become the gold standard against which all other outdoor-industry awards are measured.
Book Synopsis A Comparison of Peak Blood Lactates Following Maximal Upper Body and Maximal Combined Upper and Lower Body Simultated Ski Exercises in Elite Cross Country Skiers by : Kimberly C. Mansfield
Download or read book A Comparison of Peak Blood Lactates Following Maximal Upper Body and Maximal Combined Upper and Lower Body Simultated Ski Exercises in Elite Cross Country Skiers written by Kimberly C. Mansfield and published by . This book was released on 1989 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Peak fingertip blood lactate values obtained following maximal intensity simulated double poling ski exercise (PBLa(A)), were compared with peak fingertip blood lactate values obtained following maximal intensity simulated combined arm and leg ski striding exercise (PBLa(A + L)). The combined arm and leg protocols were performed on two different types of treadmills, a walking treadmill and a ski treadmill. Phase one combined arms and legs ski striding protocol (A + L)$\sb1$, involved ski walking on a treadmill with simultaneous arm poling movements achieved through a rope pulley system. Phase two combined arms and legs ski striding protocol (A + L)$\sb2$, whereby skiers using skis and poles performed a diagonal stride on a carpeted treadmill. The arms only double poling exercise protocol(A), was conducted identically in both test phases. Kneeling on a trolley or rollerboard, skiers pulled themselves up a 95 inch inclined track using rope pulleys at a cadence of one pull every 2.5 seconds. Peak blood lactate values represented the highest blood lactate value obtained from the post exercise samples. Differences in phase one and two PBLa(A + L) and MVO$\sb2$ values were related to the degree of sports specificity of the A + L protocol to cross-country skiing. (Abstract shortened by UMI.).
Book Synopsis A Comparison of Peak Blood Lactates Following Maximal Upper Body and Maximal Combined Upper and Lower Body Simulated Ski Exercises in Elite Cross-country Skiers by : Kimberly C. Mansfield
Download or read book A Comparison of Peak Blood Lactates Following Maximal Upper Body and Maximal Combined Upper and Lower Body Simulated Ski Exercises in Elite Cross-country Skiers written by Kimberly C. Mansfield and published by . This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Peak fingertip blood lactate values obtained following maximal intensity simulated double poling ski exercise (PBLa(A)), were compared with peak fingertip blood lactate values obtained following maximal intensity simulated combined arm and leg ski striding exercise (PBLa(A + L)). The combined arm and leg protocols were performed on two different types of treadmills, a walking treadmill and a ski treadmill. Phase one combined arms and legs ski striding protocol (A + L)$\sb1$, involved ski walking on a treadmill with simultaneous arm poling movements achieved through a rope pulley system. Phase two combined arms and legs ski striding protocol (A + L)$\sb2$, whereby skiers using skis and poles performed a diagonal stride on a carpeted treadmill. The arms only double poling exercise protocol(A), was conducted identically in both test phases. Kneeling on a trolley or rollerboard, skiers pulled themselves up a 95 inch inclined track using rope pulleys at a cadence of one pull every 2.5 seconds. Peak blood lactate values represented the highest blood lactate value obtained from the post exercise samples. Differences in phase one and two PBLa(A + L) and MVO$\sb2$ values were related to the degree of sports specificity of the A + L protocol to cross-country skiing. (Abstract shortened by UMI.).
Book Synopsis The Effects of Training on Upper Body Power in Female Cross-country Skiers by : Julie J. Downing
Download or read book The Effects of Training on Upper Body Power in Female Cross-country Skiers written by Julie J. Downing and published by . This book was released on 2002 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Ski Pole Stiffness on Upper Body Power Output in Cross-country Skiers by : Erik Andrew Jacobson
Download or read book Effect of Ski Pole Stiffness on Upper Body Power Output in Cross-country Skiers written by Erik Andrew Jacobson and published by . This book was released on 2008 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The physiology of cross-country skiing : with special emphasis on the role of the upper body by : H.-C. Holmberg
Download or read book The physiology of cross-country skiing : with special emphasis on the role of the upper body written by H.-C. Holmberg and published by . This book was released on 2005 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Principles and Practice of Resistance Training by : Michael H. Stone
Download or read book Principles and Practice of Resistance Training written by Michael H. Stone and published by Human Kinetics. This book was released on 2007 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aimed at strength and conditioning specialists, health and fitness professionals, personal trainers and exercise scientists, this research-based book details the physiological and biomechanical aspects of designing resistance training programmes for improved power, strength and performance in athletes.
Book Synopsis Genetic Algorithms in Search, Optimization, and Machine Learning by : David Edward Goldberg
Download or read book Genetic Algorithms in Search, Optimization, and Machine Learning written by David Edward Goldberg and published by Addison-Wesley Professional. This book was released on 1989 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: A gentle introduction to genetic algorithms. Genetic algorithms revisited: mathematical foundations. Computer implementation of a genetic algorithm. Some applications of genetic algorithms. Advanced operators and techniques in genetic search. Introduction to genetics-based machine learning. Applications of genetics-based machine learning. A look back, a glance ahead. A review of combinatorics and elementary probability. Pascal with random number generation for fortran, basic, and cobol programmers. A simple genetic algorithm (SGA) in pascal. A simple classifier system(SCS) in pascal. Partition coefficient transforms for problem-coding analysis.
Download or read book Science and Skiing written by E. Kornexl and published by Taylor & Francis. This book was released on 2003-09-02 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first International Congress on Science and Skiing was held in Austria in January 1996. The main aim of the conference was to bring together original key research in this area and provid an essential update for those in the field. The lnk between theory and practice was also addressed, making the research more applicable for both researchers and coaches. This book is divided into five parts, each containing a group of papers that are related by theme or disciplineary approach. They are as follows: Biomechanics of Skiing; Fitness testing and Training in Skiing; Movement Control and Psychology in Skiing; Physiology of Skiing and Sociology of Skiing. The conclusions drawn from the conference represent an invaluable practical reference for sports scientists, coached, skiers and all those involved in this area.
