๐ Seasonal Activity Patterns (2002-2025)
Quarterly Analysis with Z-Score Anomaly Detection
Quarterly Activity Heat Map (2002-2025)
Ballot volume by year and quarter with Z-score overlay. Red circles indicate statistical anomalies (|Z| โฅ 2.0).
Z-Score Anomaly Detection
Statistical outliers (|Z| โฅ 2.0) are flagged in red based on anomaly thresholds.
Average Activity by Quarter (All Years)
Q1โQ4 baselines across all years. Shows typical activity patterns across seasons.
Seasonal Pattern Classification
Distribution of NORMAL, ELEVATED, REDUCED, and ANOMALY patterns across years.
Quarter-over-Quarter Changes
Sequential ballot changes (% and absolute). Green indicates increase, red indicates decrease.
๐ Data by CIA Platform | Updated Daily