refinement of document

This commit is contained in:
hetong 2014-08-29 11:43:03 -07:00
parent cc12ee0d22
commit 8eb00e3916
2 changed files with 3 additions and 3 deletions

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@ -19,6 +19,6 @@ orginal xgb.DMatrix object
data(iris) data(iris)
iris[,5] <- as.numeric(iris[,5]) iris[,5] <- as.numeric(iris[,5])
dtrain <- xgb.DMatrix(as.matrix(iris[,1:4]), label=iris[,5]) dtrain <- xgb.DMatrix(as.matrix(iris[,1:4]), label=iris[,5])
dsub <- slice(dtrain, c(1,2,3)) dsub <- slice(dtrain, 1:3)
} }

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@ -56,8 +56,8 @@ therefore it is more flexible than \code{\link{xgboost}}.
\examples{ \examples{
data(iris) data(iris)
iris[,5] <- as.numeric(iris[,5]) iris[,5] <- as.numeric(iris[,5])
dtrain = xgb.DMatrix(as.matrix(iris[,1:4]), label=iris[,5]) dtrain <- xgb.DMatrix(as.matrix(iris[,1:4]), label=iris[,5])
dtest = dtrain dtest <- dtrain
watchlist <- list(eval = dtest, train = 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) { logregobj <- function(preds, dtrain) {