Comparative Analysis Dashboard

Description

A purpose-built comparative analysis dashboard with three primary modes: (1) Period-over-Period — side-by-side KPI cards showing current period vs previous period with absolute and percentage deltas, color-coded (green up, red down with configurable polarity), plus a dual-line chart overlaying both periods with synchronized hover; (2) A/B Test Results — control vs variant comparison with conversion rate, uplift percentage, confidence interval bars, and statistical significance indicators (p-value display, Significant at 95% badge), cumulative uplift chart over time, and sample-size-adequate check; (3) Regional/Entity Comparison — a matrix view with rows as entities (regions, products, teams) and columns as metrics, with inline bar charts, rank numbers, and heatmap coloring on the best/worst performing cell per row.

Includes: configurable comparison presets (YoY, QoQ, MoM, custom range), automatic baseline selection with the ability to pin any period as reference, highlight differences mode that dims unchanged values, CSV export of comparison data with significance annotations, and a shareable comparison link with all filter states encoded.

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