Data Munging with Hadoop

Nonfiction, Computers, Database Management
Cover of the book Data Munging with Hadoop by Ofer Mendelevitch, Casey Stella, Pearson Education
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Author: Ofer Mendelevitch, Casey Stella ISBN: 9780134435510
Publisher: Pearson Education Publication: November 20, 2015
Imprint: Addison-Wesley Professional Language: English
Author: Ofer Mendelevitch, Casey Stella
ISBN: 9780134435510
Publisher: Pearson Education
Publication: November 20, 2015
Imprint: Addison-Wesley Professional
Language: English

The Example-Rich, Hands-On Guide to Data Munging with Apache HadoopTM

 

Data scientists spend much of their time “munging” data: handling day-to-day tasks such as data cleansing, normalization, aggregation, sampling, and transformation. These tasks are both critical and surprisingly interesting. Most important, they deepen your understanding of your data’s structure and limitations: crucial insight for improving accuracy and mitigating risk in any analytical project.

 

Now, two leading Hortonworks data scientists, Ofer Mendelevitch and Casey Stella, bring together powerful, practical insights for effective Hadoop-based data munging of large datasets. Drawing on extensive experience with advanced analytics, the authors offer realistic examples that address the common issues you’re most likely to face. They describe each task in detail, presenting example code based on widely used tools such as Pig, Hive, and Spark.

 

This concise, hands-on eBook is valuable for every data scientist, data engineer, and architect who wants to master data munging: not just in theory, but in practice with the field’s #1 platform–Hadoop.

 

Coverage includes

  • A framework for understanding the various types of data quality checks, including cell-based rules, distribution validation, and outlier analysis
  • Assessing tradeoffs in common approaches to imputing missing values
  • Implementing quality checks with Pig or Hive UDFs
  • Transforming raw data into “feature matrix” format for machine learning algorithms
  • Choosing features and instances
  • Implementing text features via “bag-of-words” and NLP techniques
  • Handling time-series data via frequency- or time-domain methods
  • Manipulating feature values to prepare for modeling

Data Munging with Hadoop is part of a larger, forthcoming work entitled Data Science Using Hadoop. To be notified when the larger work is available, register your purchase of Data Munging with Hadoop at informit.com/register and check the box “I would like to hear from InformIT and its family of brands about products and special offers.”

View on Amazon View on AbeBooks View on Kobo View on B.Depository View on eBay View on Walmart

The Example-Rich, Hands-On Guide to Data Munging with Apache HadoopTM

 

Data scientists spend much of their time “munging” data: handling day-to-day tasks such as data cleansing, normalization, aggregation, sampling, and transformation. These tasks are both critical and surprisingly interesting. Most important, they deepen your understanding of your data’s structure and limitations: crucial insight for improving accuracy and mitigating risk in any analytical project.

 

Now, two leading Hortonworks data scientists, Ofer Mendelevitch and Casey Stella, bring together powerful, practical insights for effective Hadoop-based data munging of large datasets. Drawing on extensive experience with advanced analytics, the authors offer realistic examples that address the common issues you’re most likely to face. They describe each task in detail, presenting example code based on widely used tools such as Pig, Hive, and Spark.

 

This concise, hands-on eBook is valuable for every data scientist, data engineer, and architect who wants to master data munging: not just in theory, but in practice with the field’s #1 platform–Hadoop.

 

Coverage includes

Data Munging with Hadoop is part of a larger, forthcoming work entitled Data Science Using Hadoop. To be notified when the larger work is available, register your purchase of Data Munging with Hadoop at informit.com/register and check the box “I would like to hear from InformIT and its family of brands about products and special offers.”

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