H₂O

Get started with H₂O in 3 easy steps

1. Download H₂O. This is a zip file that contains everything you need to get started.

2. From your terminal, run:

cd ~/Downloads
unzip h2o-2.8.0.1.zip
cd h2o-2.8.0.1
java -jar h2o.jar

3. Point your browser to http://localhost:54321

Use H₂O directly from R

Copy and paste these commands into R one line at a time:

# The following two commands remove any previously installed H₂O packages for R.
if ("package:h2o" %in% search()) { detach("package:h2o", unload=TRUE) }
if ("h2o" %in% rownames(installed.packages())) { remove.packages("h2o") }

# Next, we download, install and initialize the H₂O package for R.
install.packages("h2o", repos=(c("/R", getOption("repos"))))
library(h2o)
localH2O = h2o.init()

# Finally, let's run a demo to see H₂O at work.
demo(h2o.glm)