Glossary · Phase 3 · Machine learning
Seasonality
A pattern that repeats at the same time every year (or week, or day), like more shoe sales every summer.
Try it now
resample changes the time step, rolling smooths without changing it, and shift moves a series in time so you can compare it with another.
Learn it properly
Time series with pandas · Resample, smooth, compare across years, and test whether one series leads another. About 45 minutes.
Other terms from the same lesson
- rolling average: Each point replaced by the average of the last few, which smooths out noise so the trend shows.
- time series: A measurement taken again and again over time, like daily orders or monthly visits.
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