# General Parameters, see comment for each definition # specify objective objective="rank:pairwise" # Tree Booster Parameters # step size shrinkage eta = 0.1 # 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 = 0.1 # maximum depth of a tree max_depth = 6 # Task parameters # the number of round to do boosting num_round = 4 # 0 means do not save any model except the final round model save_period = 0 # The path of training data data = "mq2008.train" # The path of validation data, used to monitor training process, here [test] sets name of the validation set eval[test] = "mq2008.vali" # The path of test data test:data = "mq2008.test"