Glossary · Phase 3 · Machine learning
Time series
A measurement taken again and again over time, like daily orders or monthly visits.
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.
- seasonality: A pattern that repeats at the same time every year (or week, or day), like more shoe sales every summer.
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