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Hi, I'm Traehlli Peña

I am a Data Analyst focused on turning raw data into clear KPIs, practical insights, and decision ready recommendations. I build portfolio projects in Tableau, Power BI, GitHub, Excel, and SQL with an emphasis on dashboard storytelling, business context, and actionable analysis.

What I focus on

  • KPI discovery and metric design
  • Dashboard development in Tableau and Power BI
  • Trend analysis and performance monitoring
  • Operational and business process insights
  • Turning analysis into practical recommendations

Featured portfolio projects

Chicago Food Inspection Risk Analysis

Analyzed public inspection data to identify failure trends, repeat violations, and opportunities to improve inspection prioritization and risk monitoring.

Divvy Ridership and Station Analysis

Explored rider behavior, station utilization, and time based demand patterns to recommend operational improvements for Chicago's bike share system.

Seattle Library Demand Analysis

Used public library checkout data to evaluate circulation patterns, format demand, and opportunities for smarter collection strategy.

Target Retail Benchmark Analysis

Compared Target with major retail competitors using public financial and category performance data to identify benchmarking insights and strategic questions.

Target Price Positioning Analysis

Examined product pricing across retailers to assess where Target appears competitive, premium, or vulnerable by category.

Tools

  • Tableau
  • Power BI
  • Excel
  • SQL
  • GitHub
  • Python

Current goal

I am building a public analytics portfolio that demonstrates my ability to define KPIs, uncover meaningful trends, and communicate recommendations clearly for business audiences.

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