DataFrame-class {SparkR} | R Documentation |
DataFrames can be created using functions like
jsonFile
, table
etc.
dataFrame(sdf, isCached = FALSE) toRDD(x) groupedData(sgd)
sdf |
A Java object reference to the backing Scala DataFrame |
isCached |
TRUE if the dataFrame is cached |
env
An R environment that stores bookkeeping states of the DataFrame
sdf
A Java object reference to the backing Scala DataFrame
jsonFile, table