library(sparklyr)
<- spark_connect(master = "spark://HOST:PORT")
sc <- jfloat_array(sc, c(-1.23e-8, 0, -1.23e-8))
jflt_arr # jflt_arr is now a reference an array of java.lang.Float
Instantiate an Array[Float].
R/utils.R
jfloat_array
Description
Instantiate an Array[Float]
object with the value specified. NOTE: this method is useful when one has to invoke a Java/Scala method requiring an Array[Float]
as one of its parameters.
Usage
jfloat_array(sc, x)
Arguments
Arguments | Description |
---|---|
sc | A spark_connection . |
x | A numeric vector in R. |