Experienced Data Analyst | Data Cleaning&Transformation Expert

Cynthia Undisa

Starting at

/hr

About this service

Summary

I offer expert data analysis services, specializing in data cleaning, transformation, validation, and quality monitoring. With over 7 years of experience, including work with Deloitte, I provide actionable insights and seamless data integration to drive informed business decisions. My unique approach ensures precision, reliability, and impactful results tailored to your specific needs.

Process

Discuss project requirements and objectives.

Understand data sources, current challenges, and desired outcomes.

Data Assessment: Evaluate the quality and structure of the provided data.

Data Cleaning: Remove duplicates, correct errors, and handle missing values.

Data Transformation: Apply the necessary transformations to make the data analysis ready.

Data Validation: Implement validation rules to ensure data accuracy.

Data Quality Monitoring: Set up continuous data quality monitoring systems.

Generate regular reports to track and maintain data quality.

Analysis & Insights: Perform detailed data analysis using appropriate tools and techniques.

Generate insights and identify key trends and patterns.

Visualization & Reporting: Create interactive dashboards and comprehensive reports.

Present findings through clear visualizations and executive summaries.

Review & Feedback: Share initial findings with stakeholders for feedback.

Final Delivery: Provide final analysis reports and visualizations.

Deliver all supporting documentation and data files.

What's included

Data analysis
Data Cleaning Reports: Detailed documentation of data cleaning processes and outcomes. Lists of corrected errors and discrepancies. Data Transformation Results: Transformed datasets ready for analysis. Documentation of transformation methods and scripts used. Data Validation Reports: Validation checklists and outcomes. Error logs and corrective actions taken. Data Quality Monitoring: Regular data quality assessment reports. Dashboards displaying data quality metrics and trends. Analytical Reports: Comprehensive analysis reports with key findings and insights. Statistical analysis results and interpretations. Interactive Dashboards: Visual dashboards using tools like Tableau, Power BI, or Excel. Real-time data visualizations and interactive elements for user exploration. Executive Summaries: High-level summaries of analysis outcomes for stakeholders. Key recommendations and actionable insights. Data Integration & Migration Reports: Detailed migration plans and logs. Reports on data consistency and integrity post-migration. ETL Process Documentation: Documentation of ETL workflows and processes. Source-to-target mappings and transformation logic. Custom Data Models: Predictive models and algorithms tailored to business needs. Model performance metrics and validation results. Presentation Slides: Slide decks summarizing key findings and recommendations. Visual aids to support stakeholder presentations and discussions

Skills and tools

Data Modelling Analyst

Data Scientist

Data Analyst

Data Analysis