filter {SparkR}R Documentation

Filter

Description

Filter the rows of a SparkDataFrame according to a given condition.

Usage

filter(x, condition)

where(x, condition)

## S4 method for signature 'SparkDataFrame,characterOrColumn'
filter(x, condition)

## S4 method for signature 'SparkDataFrame,characterOrColumn'
where(x, condition)

Arguments

x

A SparkDataFrame to be sorted.

condition

The condition to filter on. This may either be a Column expression or a string containing a SQL statement

Value

A SparkDataFrame containing only the rows that meet the condition.

Note

filter since 1.4.0

where since 1.4.0

See Also

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

Other subsetting functions: select, subset

Examples

## Not run: 
##D sparkR.session()
##D path <- "path/to/file.json"
##D df <- read.json(path)
##D filter(df, "col1 > 0")
##D filter(df, df$col2 != "abcdefg")
## End(Not run)

[Package SparkR version 2.1.2 Index]