Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/7365
There are many algorithms of smoothing. This given indicator is for smoothing of standard indicator ADX. The code was translated from Easy Language.Spearman's Rank Correlation
Spearman's Rank Correlation is a non-parametric method used in order to make statistical studies of relations between phenomena. In this case, the factual degree of parallelism between two numeric sequences will be detected.