Awareness in seasonal adjustment

Open to
All staff in the Government Statistical Service
Type of training
30 to 40 minutes
Learning Academy
Learning Academy


This online training module is the third of three bite-size online learning training modules that make up the Time Series Basics for Official Statistics’ course. The other two modules are:

It is recommended that these two online modules are completed first.

This online training module aims to introduce the concept of seasonal adjustment for time series. It outlines why seasonal adjustment is important and what is the generic process to achieve seasonally adjusted series. Learners are introduced to the concepts of prior adjustment and the effect of calendar arrangement on seasonal adjustment, as well as common aspects that need to be considered in the process, such as the length of the series and revisions. There is also a brief exercise with answers provided.

 Learning outcomes:

By the end of the module participants will gain a basic understanding of:

  • the benefit of seasonal adjustment
  • what time series properties need to be considered before seasonally adjusting
  • the importance of prior adjustment and calendar effects
  • common issues associated with seasonal adjustment
  • software for seasonal adjustment

How to book:

Please use your Learning Hub account to enrol on this course.

If you do not have a Learning Hub account, please contact



Pre-requisite modules:

Awareness in time series

Awareness in forecasting

Related courses:

Introduction to seasonal adjustment

Intermediate seasonal adjustment

It is highly recommended that the online awareness level modules are completed prior to any introductory face to face courses.