Differences Between Pearson’s Product Moment Correlation Coefficient and An Absolute Value Correlation Coefficient in the Presence of Outliers

The correlation coefficient is one of the most commonly used statistical measures in all branches of statistics. The empirical evidence shows that this correlation coefficient is sufficiently non-robust against outliers. The aim of this study is to compare the performance of the estimator of correlation coefficient. In this study, Pilot-plant data was considered at first stage. Second stage of thi…