Data Cleaning & Validation
Cleaned and validated a large customer-review dataset by identifying missing values, duplicate records, formatting inconsistencies, and invalid entries.
Selected Project · Data
From Raw Data to Data-Driven Insights
Retail Customer Review Data Quality & Analysis
Project Method
Five stages from data quality to business insight.
Data Preparation & Exploration
Organized and prepared the cleaned dataset to identify patterns, distributions, and changes over time.
Text & Sentiment Analysis
Prepared customer-review text and analyzed sentiment patterns to better understand customer experiences.
Data Integration & Analysis
Integrated customer-review data with external economic data to explore relationships and trends.
Insights & Reporting
Translated analytical findings into clear business insights and practical recommendations.
Analysis Output
Ratings distribution and key observations.
Sentiment Analysis
Understanding the balance of customer sentiment.
