[.tbl_spark
Subsetting operator for Spark dataframe
Description
Susetting operator for Spark dataframe allowing a subset of column(s) to be selected using syntaxes similar to those supported by R dataframes
Usage
[tbl_spark(x, i)
Arguments
Argument | Description |
---|---|
x | The Spark dataframe |
i | Expression specifying subset of column(s) to include or exclude from the result (e.g., ["col1"] , [c("col1", "col2")] , [1:10] , [-1] , [NULL] , or [] ) |
Examples
library(sparklyr)
<- spark_connect(master = "spark://HOST:PORT")
sc <- copy_to(sc, tibble::tibble(a = 1, b = 2))
example_sdf "a"] %>% print() example_sdf[