Weighted merge of Food & Beverages + Alcohol & Tobacco (from weights.csv). Quarterly CPI index (not dollars).

Merged Clothing & Footwear + Furnishings & Household Equipment. Seasonal patterns are common—compare the same quarter across years.

Housing CPI by city, quarterly. Index values reflect relative price change; large moves often track rents and utilities.

Weighted merge of Transport + Communication. Sensitive to fuel and telco pricing; expect occasional volatility.

Health CPI by city. Index shows price level change, not service quality; compare trajectories across regions.

Education CPI by city. Fees often reset annually—watch for step changes early in the academic year.

Scatter: Median house price vs Year; bubble = population. Colors = state. Hover for exact values; use the legend to focus on a state.