Possibility of Application of Linear Pearson Correlation in Multidimensional Analysis
Journal Title: Antropomotoryka. Journal of Kinesiology and Exercise Sciences - Year 2005, Vol 15, Issue 31
Abstract
The aim of the work. Unconventional method of multiple correlation coefficient calculation consisting in application of linear correlation between criterion and product of independent variables is presented. However such procedure needs to meet several conditions, first of all sufficiently large volume of sample, linearly related variables with distribution near to normal.Material and methods. Sample under consideration involves four groups: 100 heptathlonists (women), 100 decathlonists (men) and 656 students of physical education (266 women and 390 men). The correlation coefficient calculated with use of two methods are presented in two tables.Results. In groups which volume was equal or greater than 100 the maximal difference between coefficients doesn't exceed 0,03 and seems to prove the proposition that both methods of calculation are equivalent. However in smaller groups of 20 or 30 individuals such similarity between results of two methods of calculation is not observed.
Authors and Affiliations
Adam Haleczko
Keywords
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