R accessors for model attributes

R-package/NAMESPACE

@@ -9,12 +9,14 @@ S3method(predict,xgb.Booster)
 S3method(predict,xgb.Booster.handle)
 S3method(setinfo,xgb.DMatrix)
 S3method(slice,xgb.DMatrix)
+export("xgb.attr<-")
 export(getinfo)
 export(print.xgb.DMatrix)
 export(setinfo)
 export(slice)
 export(xgb.DMatrix)
 export(xgb.DMatrix.save)
+export(xgb.attr)
 export(xgb.create.features)
 export(xgb.cv)
 export(xgb.dump)