Re: [R] Calculating Kendall's tau

Thank you for  the explanation and comments. I managed to solve and your comments are helpfully! thanks once again,Desta On Thursday, April 2, 2015 7:19 PM, David Winsemius wrote: On Apr 2, 2015, at 7:06 AM, S Ellison wrote: >> I am analyzing trend  using Mann-kendall  test for 3

[R] Calculating Kendall's tau

I am analyzing trend  using Mann-kendall  test for 31 independent sample, each sample  have 34 years dataset.  I supposed to find Kendall “tau” for each sample. The data is arranged in column wise (I attached  the data).To find Kendall tau, I wrote R script as:      desta<-read.csv("rainfall.csv

[R] Mann-Kendall test for many independent columns data set at a time

I am analyzing trend test using Mann-kendall monotonic trendtest for 10,368 independent grid cell, each grid has 34 years dataset.  I supposed to find Kendall “tau” for each gridcell (each grid has 34 years data). The data is arranged in column wise (Iattached  part of the grid dataset  as a sam