How to use this book

JDemetra+ on-line documentation provides a step-by-step guidance on how to use the algorithms featured in JDemetra+, highlighting all available options and outputs. It also describes the different tools giving access to these algorithms and provides a specific methodological background.

Structure

This book is divided in three parts, allowing the user to access the resources from different perspectives.

• Algorithms

• Tools

• Methods

What is new in version 3.x

Seasonal adjustment of high frequency data is the main functionality upgrade brought by version 3 but there are many others. They are pointed out in this chapter

R ecosystem vs Graphical User Interface (GUI)

The vast majority of functions have identical options and output when used via R or GUI, but there are some exceptions. Data structure and visualization can also differ. This is described in the relevant sections throughout this book.