Time series

How it is used

Singular and plural are the same: 'a time series', 'several time series'. Analysts plot, smooth, decompose and forecast time series, looking for trend, seasonality and anomalies. Before a noun it is often hyphenated: 'time-series data'.

Example sentences

1. We built a time series of daily orders going back to 2019.

2. This time series has a strong weekly pattern, with dips every Sunday.

Common collocations

• time series analysis
• time-series data
• forecast a time series
• daily time series

Related terms

• trendThe general direction in which a value moves over a period of time, such as a steady rise in sales, ignoring short-term ups and downs.
• seasonalityA regular pattern in data that repeats over a fixed period, such as higher sales every December, more traffic on weekdays or a dip every summer.
• line chartA chart that connects data points with a line to show how a value changes over time, such as monthly revenue or daily sign-ups.
• anomalyA data point or pattern that clearly differs from what is expected, such as a sudden spike in sign-ups or a day with no orders at all.

This word in other fields

The same English word can have a different meaning in another field:

• time series · Data Science & Analytics

More terms: Machine Learning and Data Processing

• artificial intelligence
• machine learning
• model
• dataset
• training data
• label
• train
• supervised learning
• neural network
• deep learning
• loss function
• overfitting