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What method does GPAP use for calculating correlation coefficient?

April 26, 2017calculating coefficient correlation gpap method

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What method does GPAP use for calculating correlation coefficient?

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GPAP use Spearman rank correlation coeffient. Spearman rank correlation coefficient is non-parametric and distribution free method. It is used when the distribution of data make the Pearson method misleading. The Pearson method is the default and the only method for calculating correlation coefficients in Excel.