distinct {SparkR}R Documentation

Distinct

Description

Return a new SparkDataFrame containing the distinct rows in this SparkDataFrame.

Usage

distinct(x)

## S4 method for signature 'SparkDataFrame'
distinct(x)

## S4 method for signature 'SparkDataFrame'
unique(x)

Arguments

x

A SparkDataFrame

Note

distinct since 1.4.0

unique since 1.5.0

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, dropDuplicates, dropna, drop, dtypes, except, explain, filter, first, gapplyCollect, gapply, getNumPartitions, group_by, head, hint, histogram, insertInto, intersect, isLocal, isStreaming, join, limit, 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 distinctDF <- distinct(df)
## End(Not run)

[Package SparkR version 2.2.3 Index]