Download zip file from http://h2o-release.s3.amazonaws.com/h2o/rel-wright/2/index.html
install.packages("/Users/raj/Downloads/h2o-3.20.0.2/R/h2o_3.20.0.2.tar.gz", type="source",repos=NULL)
library(h2o)
h2o.init()
conda install -c h2oai h2o=3.20.0.2
http://h2o-public-test-data.s3.amazonaws.com/smalldata/iris/iris_wheader.csv http://data.princeton.edu/wws509/datasets/#smoking