From ea3bf5d57e7b724ce0b70528d2cff571b2bfc5e8 Mon Sep 17 00:00:00 2001
From: tqchen <tianqi.tchen@gmail.com>
Date: Tue, 20 May 2014 08:30:19 -0700
Subject: [PATCH] fix bug in classification, scale_pos_weight initialization

---
 regrank/xgboost_regrank_obj.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/regrank/xgboost_regrank_obj.hpp b/regrank/xgboost_regrank_obj.hpp
index 71ebec0ab..7246b37e5 100644
--- a/regrank/xgboost_regrank_obj.hpp
+++ b/regrank/xgboost_regrank_obj.hpp
@@ -16,6 +16,7 @@ namespace xgboost{
         public:
             RegressionObj( int loss_type ){
                 loss.loss_type = loss_type;
+                scale_pos_weight = 1.0f;
             }
             virtual ~RegressionObj(){}
             virtual void SetParam(const char *name, const char *val){