spark git commit: [SPARK-9856] [SPARKR] Add expression functions into SparkR whose params are complicated

Repository: spark Updated Branches: refs/heads/master f3e177917 - 2fcb9cb95 [SPARK-9856] [SPARKR] Add expression functions into SparkR whose params are complicated I added lots of Column functinos into SparkR. And I also added `rand(seed: Int)` and `randn(seed: Int)` in Scala. Since we need

spark git commit: [SPARK-9856] [SPARKR] Add expression functions into SparkR whose params are complicated

Repository: spark Updated Branches: refs/heads/branch-1.5 bebe63dfe - a8e880818 [SPARK-9856] [SPARKR] Add expression functions into SparkR whose params are complicated I added lots of Column functinos into SparkR. And I also added `rand(seed: Int)` and `randn(seed: Int)` in Scala. Since we