refine style with max.depth

R-package/man/xgb.train.Rd

@@ -15,7 +15,7 @@ xgb.train(params = list(), data, nrounds, watchlist = list(), obj = NULL,
     \item \code{binary:logistic} logistic regression for classification
   }
   \item \code{eta} step size of each boosting step
-  \item \code{max_depth} maximum depth of the tree
+  \item \code{max.depth} maximum depth of the tree
   \item \code{nthread} number of thread used in training, if not set, all threads are used
 }
 
@@ -62,7 +62,7 @@ data(agaricus.train, package='xgboost')
 dtrain <- xgb.DMatrix(agaricus.train$data, label = agaricus.train$label)
 dtest <- dtrain
 watchlist <- list(eval = dtest, train = dtrain)
-param <- list(max_depth = 2, eta = 1, silent = 1)
+param <- list(max.depth = 2, eta = 1, silent = 1)
 logregobj <- function(preds, dtrain) {
    labels <- getinfo(dtrain, "label")
    preds <- 1/(1 + exp(-preds))