Hands-On Exploratory Data Analysis with Python

Characteristics of time series data

When working with time series data, there are several unique characteristics that can be observed. In general, time series tend to exhibit the following characteristics:

• When looking at time series data, it is essential to see if there is any trend. Observing a trend means that the average measurement values seem either to decrease or increase over time.
• Time series data may contain a notable amount of outliers. These outliers can be noted when plotted on a graph.
• Some data in time series tends to repeat over a certain interval in some patterns. We refer to such repeating patterns as seasonality.
• Sometimes, there is an uneven change in time series data. We refer to such uneven changes as abrupt changes ...