{SparkR}R Documentation

Download data from a SparkDataFrame into a R data.frame


This function downloads the contents of a SparkDataFrame into an R's data.frame. Since data.frames are held in memory, ensure that you have enough memory in your system to accommodate the contents.

Usage, row.names = NULL, optional = FALSE, ...)

## S4 method for signature 'SparkDataFrame', row.names = NULL,
  optional = FALSE, ...)



a SparkDataFrame.


NULL or a character vector giving the row names for the data frame.


If TRUE, converting column names is optional.


additional arguments to pass to


A data.frame.

Note since 1.6.0

See Also

Other SparkDataFrame functions: SparkDataFrame-class, agg, alias, arrange, attach,SparkDataFrame-method, broadcast, cache, checkpoint, coalesce, collect, colnames, coltypes, createOrReplaceTempView, crossJoin, cube, dapplyCollect, dapply, describe, dim, distinct, dropDuplicates, dropna, drop, dtypes, except, explain, filter, first, gapplyCollect, gapply, getNumPartitions, group_by, head, hint, histogram, insertInto, intersect, isLocal, isStreaming, join, limit, localCheckpoint, merge, mutate, ncol, nrow, persist, printSchema, randomSplit, rbind, registerTempTable, rename, repartition, rollup, sample, saveAsTable, schema, selectExpr, select, showDF, show, storageLevel, str, subset, summary, take, toJSON, unionByName, union, unpersist, withColumn, withWatermark, with, write.df, write.jdbc, write.json, write.orc, write.parquet,, write.text


## Not run: 
##D irisDF <- createDataFrame(iris)
##D df <-[irisDF$Species == "setosa", ])
## End(Not run)

[Package SparkR version 2.3.1 Index]