Published: 22 May 2018
Author(s): Mwoya Byaro, Abel Kinyondo
Issue: June 2018
Section: Letter to the Editor

The correlation analysis in time series has received considerable attention [1]. Its use plays an important role in the social sciences, finance and medical sciences. Spearman's or Pearson correlation coefficients are the most commonly used for estimation [1]. The assumption such as stationarity makes the validity of time series correlation coefficients [2].


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