From 519c4d005098dec382344514a837d49c164a5372 Mon Sep 17 00:00:00 2001
From: Pjotr Prins
Date: Sat, 26 Sep 2020 11:25:04 +0100
Subject: Comments added

---
 src/gemma_io.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/gemma_io.cpp')

diff --git a/src/gemma_io.cpp b/src/gemma_io.cpp
index 2380d45..cd2a5d1 100644
--- a/src/gemma_io.cpp
+++ b/src/gemma_io.cpp
@@ -2,7 +2,7 @@
     Genome-wide Efficient Mixed Model Association (GEMMA)
     Copyright © 2011-2017, Xiang Zhou
     Copyright © 2017, Peter Carbonetto
-    Copyright © 2017, Pjotr Prins
+    Copyright © 2017-2020, Pjotr Prins
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -1494,7 +1494,7 @@ bool BimbamKin(const string file_geno, const set<string> ksnps,
 
     gsl_vector_add_constant(geno, -1.0 * geno_mean);
 
-    if (k_mode == 2 && geno_var != 0) {
+    if (k_mode == 2 && geno_var != 0) { // centering
       gsl_vector_scale(geno, 1.0 / sqrt(geno_var));
     }
     // set the SNP column ns_test
-- 
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