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Library/ EDA/ Exploratory Data Analysis by Building (two projects in parallel)/ E09 · Build: Time-Based EDA (Project B focus)

subtopic

Trend, seasonality and calendar effects

10 min applied10 min research3 curated resources

Plot daily/weekly/monthly averages, a heatmap of hour × weekday, and a seasonal decomposition. Concepts: Trend; daily, weekly, yearly seasonality; holidays; decomposition Project A: Not applicable. Project B: Evening peak ~20:00–21:00, low at 04:00; weekends ~10–15% lower; summer and winter peaks; national holidays look like Sundays.

Builds on: B15 · Build: Customer Insights Report (grouping, joining, reshaping)

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Trend, seasonality and calendar effects · 1x1labs.ai