Statistics Explained

Glossary:Time series

A time series is a sequence of data which shows how the value of a variable changes over time. Normally such data are collected on a regular periodic basis.

Examples of time series are:

  • the hourly change in a stock market index over a week;
  • the monthly change in the amount of rainfall during a given year;
  • the annual change in the birth rate in the EU over a decade.

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