limit {SparkR}R Documentation

Limit

Description

Limit the resulting SparkDataFrame to the number of rows specified.

Usage

limit(x, num)

## S4 method for signature 'SparkDataFrame,numeric'
limit(x, num)

Arguments

x

A SparkDataFrame

num

The number of rows to return

Value

A new SparkDataFrame containing the number of rows specified.

Note

limit since 1.4.0

See Also

Other SparkDataFrame functions: SparkDataFrame-class, agg, arrange, as.data.frame, attach,SparkDataFrame-method, cache, checkpoint, coalesce, collect, colnames, coltypes, createOrReplaceTempView, crossJoin, 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, merge, mutate, ncol, nrow, persist, printSchema, randomSplit, rbind, registerTempTable, rename, repartition, sample, saveAsTable, schema, selectExpr, select, showDF, show, storageLevel, str, subset, take, toJSON, union, unpersist, withColumn, with, write.df, write.jdbc, write.json, write.orc, write.parquet, write.stream, write.text

Examples

## Not run: 
##D sparkR.session()
##D path <- "path/to/file.json"
##D df <- read.json(path)
##D limitedDF <- limit(df, 10)
## End(Not run)

[Package SparkR version 2.2.2 Index]