April 2017
Beginner to intermediate
420 pages
9h 58m
English
book
Mastering Machine Learning with R - Second Edition
by Cory Lesmeister, Doug Ortiz, Vikram Dhillon, Miroslav Kopecky
Content preview from Mastering Machine Learning with R - Second Edition
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Data upload to H2O
Let's assume you have the bank_DL.csv file saved in your working directory. Remember, getwd() will provide you with the path to it. So, let's load the library and create an object with the file path to the data:
> library(h2o) > path <- "C:/.../bank_DL.csv"
We can now connect to H2O and start an instance on the cluster. Specifying nthreads = -1 requests our instance use all CPUs on the cluster:
> localH2O = h2o.init(nthreads = -1)
The H2O function, h2o.uploadFile(), allows you to upload/import your file to the H2O cloud. The following functions are also available for uploads:
- h2o.importFolder
- h2o.importURL
- h2o.importHDFS
It is quite simple to upload the file and a per cent indicator tracks the status:
> bank <- ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.