Chapter 13. 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
Introduction
R is an open source product and hence its capabilities are constantly expanding. R is specifically useful for its numerous statistical packages and powerful visualization. When applications written in other environments (such as Java, C++, Python, and Excel) need to exploit R's special capabilities, we need to smoothly integrate these environments ...
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