Portfolio project guide
Data Analyst Portfolio Projects
Data analyst project ideas that prove SQL, cleaning, dashboards, metrics, and business recommendations.
Data analyst and BI candidates who need credible project case studies.
SQL
Data cleaning
Dashboards
Metrics
Statistics
Storytelling
Retention analysis case study
A cohort analysis with SQL, charts, caveats, and recommendations for the business.
Shows analytical depth and clear communication.
Executive KPI dashboard
A dashboard with documented KPIs, filters, data quality notes, and insights.
Demonstrates dashboard design and business metric thinking.
Messy dataset cleanup
A reproducible cleaning workflow with assumptions, validation checks, and final analysis.
Shows practical data work that employers recognize.
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