| Name | Description | Type | Package | Framework |
| BaseRRDD | Class | org.apache.spark.api.r | Apache Spark | |
| PairwiseRRDD | Form an RDD[(Int, Array[Byte])] from key-value pairs returned from R. | Class | org.apache.spark.api.r | Apache Spark |
| RRDD | An RDD that stores serialized R objects as Array[Byte]. | Class | org.apache.spark.api.r | Apache Spark |
| SpecialLengths | Class | org.apache.spark.api.r | Apache Spark | |
| StringRRDD | An RDD that stores R objects as Array[String]. | Class | org.apache.spark.api.r | Apache Spark |