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I will do expert sql, python, or excel data cleaning and analysis
Acerca de este Servicio
As a Senior Data Analyst with 7+ years of experience, I specialize in transforming raw, chaotic data into a clean, structured, and reliable foundation for critical business decisions.
Focus: I provide expert-level data wrangling, cleaning, and foundational statistical analysis using the most powerful tools in the industry. Stop guessing your next step based on messy spreadsheets. I deliver reliable, actionable insights and validated data integrity.
My Core Services Include:
- Data Cleaning & Preprocessing: Handling missing values, de-duplication, outlier detection, and validation for 100% data reliability.
- Expert SQL Optimization: Writing and optimizing complex queries for fast, efficient data extraction and manipulation.
- Python (Pandas/NumPy) Analysis: Advanced statistical checks, trend identification, and descriptive reporting.
- Excel Mastery: Large-scale manipulation and formula application to prepare data for visualization or reporting.
Let me take the pain out of data preparation so you can focus on strategy and achieving measurable growth. I turn your data into a clear asset.
Mi porfolio
Otros servicios de Análisis de datos que ofrezco
FAQ
What data format do you require, and what if my data is messy?
I can work with almost any format (CSV, Excel, SQL dumps, etc.). My Gig 1 specializes in data cleaning and wrangling. If your data is exceptionally messy or large, please contact me first for a custom quote to ensure accurate pricing.
Do I need to provide Power BI/Tableau licenses for the dashboards?
Yes. I will develop the dashboard using my software license and deliver the source file (.pbix or .twbx). You will need your own license to open, publish, and interact with the final file on your side.
Is my data kept confidential?
Absolutely. All client data and project details are treated with strict confidentiality. I am happy to sign a Non-Disclosure Agreement (NDA) if required for your peace of mind.
None of the packages fit my project perfectly. What should I do?
Please send me a quick message with the details (data size, tools needed, and desired outcome). I will create a highly customized and optimized offer specifically for your project.
What does "actionable insights" mean in your reporting?
It means I don't just tell you what happened, but why it happened and, most importantly, what you should do next. My reports always conclude with clear, strategic recommendations to achieve measurable growth.
