July 2018
Intermediate to advanced
474 pages
13h 37m
English
book
Apache Spark Deep Learning Cookbook
by Ahmed Sherif, Amrith Ravindra, Michal Malohlava, Adnan Masood
Content preview from Apache Spark Deep Learning Cookbook
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How to do it...
This section walks through the following steps to prepare the dataset for the deep learning pipeline:
- Execute the following script to clean up the column names:
mainDF = mainDF.withColumnRenamed('userId_1', 'userid')mainDF = mainDF.withColumnRenamed('movieId_1', 'movieid')mainDF = mainDF.withColumnRenamed('rating_1', 'rating')mainDF = mainDF.withColumnRenamed('timestamp_1', 'timestamp')mainDF = mainDF.withColumnRenamed('imdbId', 'imdbid')mainDF = mainDF.withColumnRenamed('tmdbId', 'tmdbid')
- The rating column is currently divided into 0.5 increments. Tweak the ratings to be rounded to a whole integer using the following script:
import pyspark.sql.functions as FmainDF = mainDF.withColumn("rating", F.round(mainDF["rating"], ...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.