Merge commit '13776a006a4e572720ec4c5b029b54771cf2b35c' into unity

subtree/rabit/rabit-learn/linear/run-linear.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+if [[ $# -lt 1 ]]
+then
+    echo "Usage: nprocess"
+    exit -1
+fi
+
+rm -rf mushroom.row* *.model
+k=$1
+
+# split the lib svm file into k subfiles
+python splitrows.py ../data/agaricus.txt.train mushroom $k
+
+# run xgboost mpi
+../../tracker/rabit_demo.py -n $k linear.rabit mushroom.row\%d "${*:2}" reg_L1=1
+
+./linear.rabit ../data/agaricus.txt.test task=pred model_in=final.model