timflutre/quantgen — Issue #1: use Fisher transformation of Spearman coef
Author: timflutre
Created: 2012-01-27 21:46:51+00:00
State: open

In "get_summary_stats.cpp", use the Fisher transformation of the Spearman rank correlation coefficient (see [here](http://en.wikipedia.org/wiki/Spearman%27s_rank_correlation_coefficient#Determining_significance)). Compare to the approximation leading to a Student distribution, with the Fisher transformation I can get a Z score, as used by [Fu et al](http://www.plosgenetics.org/article/info%3Adoi%2F10.1371%2Fjournal.pgen.1002431).