comment some parameters not supported by hadoop version of xgboost

demo/binary_classification/mushroom.hadoop.conf

@@ -0,0 +1,31 @@
+# General Parameters, see comment for each definition
+# choose the booster, can be gbtree or gblinear
+booster = gbtree
+# choose logistic regression loss function for binary classification
+objective = binary:logistic
+
+# Tree Booster Parameters
+# step size shrinkage
+eta = 1.0 
+# minimum loss reduction required to make a further partition
+gamma = 1.0 
+# minimum sum of instance weight(hessian) needed in a child
+min_child_weight = 1 
+# maximum depth of a tree
+max_depth = 3 
+
+# Task Parameters
+# the number of round to do boosting
+num_round = 2
+# 0 means do not save any model except the final round model
+save_period = 0 
+# The path of training data
+data = "agaricus.txt.train" 
+
+# The following parameters are not supported by xgboost running in hadoop yet!
+# The path of validation data, used to monitor training process, here [test] sets name of the validation set
+#eval[test] = "agaricus.txt.test" 
+# evaluate on training data as well each round
+#eval_train = 1
+# The path of test data 
+#test:data = "agaricus.txt.test"