Sources

Data Sources

Yelp Open Dataset — Restaurant business information and customer reviews (2018–2023) Simulated COVID-19 Impact Data

Pre-COVID baseline ratings and service patterns (2018–2019) COVID Era disruption patterns and adaptation responses (2020–2021) Post-COVID recovery and sustained behavioral changes (2022–2023)

Key variables analyzed:

stars — Customer rating (1-5 scale)

categories — Restaurant type classification

attributes — Service features (delivery, takeout availability)

price_range — Restaurant price level (1-4 scale)

review_date — Timestamp for temporal analysis

business_id — Unique restaurant identifier

Software & Packages

R (4.0+) with:

ggplot2, dplyr, lubridate, readr gridExtra, scales