Implementing Hamed and Rao (1998) and Yue and Wang (2004) Modified Mann-Kendall test in R- Help with Correction Factor Calculation?

I am trying to modify the code mkTrend.R from 'fume' package to implement Hamed and Rao (1998) variance correction approach. From the code of mkTrend, the following line is very confusing...

12 October 2017 4,146 1 View