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English
$
USD
I will clean, transform, and visualize your messy data using sql, excel, and powerbi
Data Analyst Turning Data into Decisions
Welcome! I help businesses turn raw data into clear, actionable insights.
As a data analyst, I specialize in cleaning complex datasets, uncovering trends, and building interactive dashboards for bet...
About this Gig
Stop Struggling with Messy Data. Get Actionable Insights Today!
Are you dealing with inconsistent records, duplicate entries, or complex datasets that just won't cooperate? I am a Data Analyst specializing in end-to-end data transformation. I help businesses turn raw, messy information into clean, structured, and visually stunning reports.
What I Offer:
I provide a comprehensive data cleaning and visualization workflow using SQL, Excel, and Power BI to ensure your data is 100% accurate and ready for decision-making.
My Services Include:
- Deep Data Cleaning: Removing duplicates, fixing formatting errors, handling missing values, and standardizing text.
- SQL Database Management: Complex joins, data aggregation, and creating optimized views or stored procedures.
- Advanced Excel: Power Query transformations, Pivot Tables, and complex formula auditing.
- Power BI Visualizations: Interactive dashboards, DAX measures, and Year-over-Year (YoY) performance tracking.
- ETL Pipelines: Seamlessly moving your data from raw files to a structured analytical format.
Why Choose Me?
- Technical Precision: Expert-level knowledge of SQL (PostgreSQL/MySQL) and Power BI.
- Business Focus: I dont just clean data; I
My Portfolio
FAQ
1. What data formats do you work with?
I work with a wide range of formats including Excel (xlsx, csv), SQL databases (MySQL, PostgreSQL, SQL Server), and JSON. If you have a specific database or file type not listed, feel free to message me!
2. Do I need to provide the SQL database access?
Not necessarily. You can provide a database backup file (.bak or .sql) or an export of your data in CSV/Excel format. If you prefer I work directly in your environment, we can discuss secure access options.
3. Can you handle large datasets with millions of rows?
Yes. For very large datasets that exceed Excel’s limits, I utilize SQL and Power BI’s Power Query to perform efficient cleaning and transformation without compromising performance.
4. Will I receive the source code or scripts used?
In the Standard and Premium packages, I include the fully documented SQL scripts and DAX formulas used. I believe in transparency, so you’ll have everything you need to replicate the process in the future.
5. Can you create custom visuals or specific business KPIs?
Absolutely. In the Premium package, I focus on your specific business needs. Whether you need Year-over-Year (YoY) growth, sales heat maps, or custom discount band analysis, I will build the dashboard to track the metrics that matter most to you.
6. What if my data is extremely messy?
No problem! I specialize in 'data gardening.' I will transform your disorganized information into a structured, usable format. Please send a sample of your data first so I can give you an accurate estimate.
