Sys.setenv(SPARK_HOME="/usr/spark")
.libPaths(c(file.path(Sys.getenv("SPARK_HOME"), "R", "lib"), .libPaths()))
library(SparkR)
sc<-sparkR.init(master="spark://Master.Hadoop:7077")
Start SparkR in RStudio
原文：http://www.cnblogs.com/dataclimber/p/5109155.html
