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R Data Analysis Cookbook - Second Edition by Kuntal Ganguly

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Playing Nice - Connecting to Other Systems

In this chapter, we will cover the following recipes to connect to other systems:

  • Using Java objects in R
  • Using JRI to call R functions from Java
  • Using Rserve to call R functions from Java
  • Executing R scripts from Java
  • Using the xlsx package to connect to Excel
  • Reading data from relational databases--MySQL
  • Reading data from NoSQL databases--MongoDB
  • Working with in-memory data processing with Apache Spark

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