See
https://www.r-bloggers.com/diving-into-h2o/
# 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("http://s3.amazonaws.com/h2o-release/h2o/rel-kahan/5/R", getOption("repos")))) library(h2o) localH2O = h2o.init()
# I was reminded to update Java JDK to 64 bit.
# http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html download and install.
# however, h2o still does not detect the newest java.
step 1: from a command line prompt, try to start the h2o server manually: java -jar h2o.jar You can give the full path to java if you want to. H2O works with both Java 7 and Java 8. If needed, you can download a standalone H2O from here: http://h2o.ai/download/ step 2: from R, connect to the already-running h2o server: h2o.init(startH2O = FALSE)
Download H2O
http://s3.amazonaws.com/h2o-release/h2o/master/3751/index.html
H2O version mimatch?
#error in h2o.init() :
# Version mismatch! H2O is running version 3.11.0.3751 but h2o-R package is #version 3.10.2.2.
# Install the matching h2o-R version from - http://h2o-# release.s3.amazonaws.com/h2o/master/3751/index.html
Try:
http://s3.amazonaws.com/h2o-release/h2o/master/3751/index.html?aliId=2451206
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